2. The following list identifies some adaptations in a beaver which allow it to survive in its environment. Identify each
adaptation as structural, physiological, or behavioral and describe its survival advantage:
(a) Large front teeth: -
(b) Lodge built in middle of pond:
(c) Oil secreting glands in skin:
3. (a) What restricts the amount of time diving animals can spend underwater?
(b) How does reducing heart rate during a dive enable animals to stay underwater longer?

Answers

Answer 1

Answer:

The following list identifies some adaptations in a beaver which allow it to survive in its environment. Identify each  adaptation as structural, physiological, or behavioral and describe its survival advantage:

(a) Large front teeth: structural adaptation-

(b) Lodge built in middle of pond:  survival advantage

(c) Oil secreting glands in skin:  physiological

3. (a) What restricts the amount of time diving animals can spend underwater?

The temperature of water determines that

(b) How does reducing heart rate during a dive enable animals to stay underwater longer?

Explanation:

Answer 2

Question 3

a) Lack of oxygen and pressure.

b) Helps the animals maintain adequate oxygen.


Related Questions

Are the bones arranged in a similar way in each animal?

Answers

Final answer:

Bones in different animals show a pattern of similarity known as homologous structures, indicating a common evolutionary past; though they may have adapted over time for various functions. Homologous structures share common ancestry, while analogous structures serve similar functions but evolve independently. This evidence supports the concept of evolution, helping to trace the lineage and relationships among species.

Explanation:

The bones in various animals are not arranged identically across all species; however, they often exhibit similarities that suggest a common evolutionary past. These similarities are a result of the bones being derived from a common ancestor, with changes occurring over time due to evolutionary pressures.

Homologous structures in organisms, such as the bones in the limbs of humans, dogs, and whales, share the same basic layout that originated from their shared ancestor's appendages. While the bones might have evolved differently to suit different functions, they maintain a consistent pattern.

It is important to distinguish between homologous and analogous structures. Homologous structures share a common embryonic origin, while analogous structures have similar functions but different origins.

For example, the bones in a whale's front flipper and the human arm are homologous, not analogous, while wings of butterflies are analogous but not homologous to bird wings. Some structures, like the wings of bats and birds, can be both analogous and homologous because they serve the same function and also share a similar structure.

Bones, which are organs comprised of tissues, come in various shapes and sizes. The 206 bones in the human skeleton are categorized by shape and function. This structural diversity among species provides evidence for evolution and helps scientists understand the relationships between different organisms.

The answer is no, the bones are not arranged in the same way in each animal.

The arrangement of bones, known as skeletal structure, varies significantly among different animal species. This variation is a result of evolutionary adaptations to diverse environments and lifestyles. There are five main types of skeletal systems found in animals:

1. Hydrostatic skeleton: Found in soft-bodied animals like earthworms and jellyfish, it consists of a fluid-filled cavity that provides structural support.

2. Exoskeleton: This is the hard outer shell that supports and protects the bodies of arthropods such as insects, spiders, and crustaceans.

3. Endoskeleton: Composed of bone or cartilage, this internal skeleton is found in vertebrates, including fish, amphibians, reptiles, birds, and mammals. Despite being endoskeletons, the specific arrangement and number of bones can differ greatly between these classes. For example, the skeleton of a bird is adapted for flight, with lightweight, hollow bones, while the skeleton of a whale is adapted for swimming, with a streamlined shape and strong, dense bones.

4. Shell: Some animals, like mollusks and turtles, have a hard shell that serves as protection and support.

5. None (Acellular): Some animals, like sponges, do not have a true skeletal system.

Even within the same class of animals, such as mammals, the skeletal structure can vary. For instance, the human skeleton is adapted for bipedal locomotion, while the skeleton of a bat is adapted for flight. Similarly, the skeleton of a dolphin is adapted for an aquatic lifestyle, with a spinal column that is less flexible than that of a land mammal to aid in efficient swimming.

In conclusion, while all vertebrates have an endoskeleton, the arrangement and structure of the bones are tailored to each species' unique ecological niche, resulting in a wide diversity of skeletal arrangements across the animal kingdom.

Which stage represents the establishment of the pioneer organisms? 1. None 2. Grasses 3. Shrubs 4.Loblolly pine trees 5. Blackjack oak trees. Please help, I suck at science.

Answers

Answer:

Which stage represents the establishment of the pioneer organisms?

GRASSES

Explanation:

Grasses which are small plants are pioneer organisms as they grow to reach the climax in an ecosystem

Final answer:

The question seeks to identify which stage involves the establishment of pioneer organisms in ecological succession. Pioneer organisms, such as lichens, are the first to colonize lifeless areas, initiating the process by breaking down rock into soil. None of the options provided, like grasses or trees, represent this initial stage.

Explanation:

The question asks which stage represents the establishment of the pioneer organisms. Pioneer species are the first organisms to colonize an area devoid of life, initiating the ecological succession process. These organisms, such as lichens and certain plants, are capable of living in harsh conditions where other species cannot survive. They play a crucial role in breaking down rock into soil, thus paving the way for subsequent species like grasses, shrubs, and trees to establish.

Given the choices, none directly mention pioneer species like lichens or bacteria that typically represent the earliest stage of ecological succession. However, understanding that the question refers to the very start of the succession process, where life begins from bare rock, none of the options listed like grasses, shrubs, loblolly pine trees, or blackjack oak trees fit the description of pioneer organisms. These species come into play at later stages of succession, following the initial establishment by pioneer species.

Which of the following describes a response to external stimuli

A. a person yawns when oxygen levels in the blood are low

B. a child becomes hyperactive due to a chemical imbalance

C. a boy sneezes when exposed to cat dander

D. A girl eats food when she is hungry

Answers

Answer:

option C is the right point

You are running an experiment on photosynthesis rates using the aquatic plant Elodea. Predict how the number of oxygen bubbles will change with different distance from the light source.

Answers

Answer:

D. Production of oxygen bubbles will increase as distance of plants from the light source decrease

Production of oxygen bubbles will increase as distance of plants from the light source decrease. The correct option is D.

What is photosynthesis?

Photosynthesis is a process that plants and other organisms use to convert light energy into chemical energy that can then be released to fuel the organism's activities via cellular respiration.

Photosynthesis is essential since it's the process by which plants convert carbon dioxide into oxygen using sunlight.

Animals require oxygen to survive, and plants serve as nature's air filter, filtering out harmful carbon dioxide.

When conducting a photosynthesis rate experiment with the aquatic plant Elodea, the production of oxygen bubbles increases as the plants' distance from the light source decreases.

Thus, the correct option is D.

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Which statement best describes a scientific theory?*
A) It is a collection of data designed to provide support for a prediction
B) It is an educated guess that can be tested by experimentation
C) It is a scientific fact that no longer requires any evidence to support it
D) It is a general statment that is supported by many scientific observations

Answers

Answer:

B) It is an educated guess that can be tested by experimentation

Final answer:

A scientific theory is a comprehensive explanation of natural phenomena that has withstood rigorous testing and is widely supported by evidence. It is far more than an educated guess, as it is based on a significant body of facts and confirmed through observation and experimentation. So the correct option is D.

Explanation:

The correct answer to the question is D) It is a general statement that is supported by many scientific observations. A scientific theory is a well-substantiated explanation of some aspect of the natural world that is supported by a large body of facts gathered through observation and experimentation. It is more than just an educated guess or a hypothesis; it is a comprehensive explanation that has been repeatedly tested and confirmed and can explain a wide range of phenomena.

For example, the theory of gravity explains why objects are attracted to one another, and the theory of evolution explains the diversity of life on Earth. These theories have been validated by numerous experiments and observations and are widely accepted by the scientific community because they have withstood rigorous testing.

While theories can be used to make predictions, they are, at their core, explanations that help us understand the world around us. Theories can change over time with new evidence, but such changes are rare and occur through a systematic and often lengthy scientific process. It is important to distinguish between the colloquial use of the term 'theory' as a guess and its scientific usage as a well-supported explanation.

two parents with normal phenotypes have a daughter who genetically inherited a disorder. Explain how this is possible.

Answers

Answer:

              Phenotype is physical appearance of the individual while genotype is the genetic makeup of the individual.

Explanation:

                      Two parents having normal phenotype but effected individual is due to the parents may be Carrier for the particular deseis and the gene responsible for the desies may be in recessive form and the parents are not effected.  The gene is not present in dominant form and can not show its effect but the parents are not effected and the daughter may be affected by certain desiese.

Answer: This is possible only if the two parents ar e heterozygous for the trait and the genetic disorder is inherited in a recessive fashion.

Explanation: Phenotype is the outward appearance of an organism. Genotype is the genetic makeup of an individual, a genotype can not be seen but it is manifested in an observable trait known as phenotype. Every trait is controlled by a pair of gene inherited one from each parent. When the two parents are heterozygous for the trait (having one dominant allele and one recessive allele for the trait), a child can inherit two recessive alleles one from each parent.

For example, when two parents are heterozygous for sickle cell disease AS, a cross between them will produce an offspring with sickle cell disease. As x As =AA, As, As, and ss. (A is dominant and s is recessive).

2) Fovea is the point of accurate vision. Give reason.
-​

Answers

Fovea is a tiny pit located in the macula of the retina in the eye provides the accurate vision.

Explanation:

The Fovea is mainly used for sharp central vision, that is very essential for human activities like reading and driving.

In the middle of the retina is a small dimple called the fovea or fovea centralis. A thin layer of light receptor cell covers the inner surface of the choroid.

It produces high visual clarity in the eye that produces sharpest vision and greatest color discrimination. The sharpness is because of high concentration of cone cells in the fovea.

Fovea, the blind spot is where the optic nerve connects to the retina in the back of each eye is known as optic disk.

2 Points
Problems with which part of the bone would lead to blood disorders?
A. Compact tissue
B. Spongy tissue
C. Fossae tissue
O
O
D. Bone marrow
SUBMIT

Answers

I’m pretty sure it’s D. Blood marrow

Hope that I helped

Answer: d

Explanation:

The sugar industry is on a decline. To boost sales, sugar executives decide to make a new commercial encouraging consumers to eat sugar. In the commercial, a person is holding a bowl of table sugar. They eat a spoonful of the sugar and say, “Eat sugar, it’s fat free!” Is this false advertising? Use the concepts of biomacromolecules we learned in class to explain your answer.

Answers

Answer:

the macro molecule say that

Explanation:


Earth travels around the Sun at about 67,000 miles per hour. Earth's motion, therefore, is an example of _____.
A. speed only
B. velocity only
C. both speed and velocity

Answers

Answer:

B. Velocity

Explanation:

Answer: (B.)

Earth travels around the Sun at about 67,000 miles per hour. Earth's motion, therefore, is an example of ''velocity only''

1. A chemical reaction that requires energy is:
(1 Point)
O
exergonic e.g. photosynthesis
endergonic e.g. cellular respiration
exergonic e.g. cellular respiration
o
endergonic e.g. photosynthesis

Answers

Answer:

exergonic e.g. photosynthesis

Explanation:

Answer: endergonic e.g. photosynthesis

Explanation: Endergonic reactions are chemical reactions an input of energy to proceed while electronic reactions are chemical reactions that do not require an input of energy rather in an exergonic reaction energy is released.

Photosynthesis is an example of an endergonic reaction because it requires energy. In photosynthesis, the solar energy absorbed by chlorophyll and other light absorbing pigments in plants are conserved as ATP and NADPH which are the sources of energy to drive the remaining reactions of photosynthesis. The solar energy is converted to chemical energy used in driving the photosynthetic reactions. Chemical equation for the photosynthesis is 6CO2 + 6H2O + solar energy ---> C6H12O6 + 6O2.

Which conditions are required for nuclear fusion to begin? The gas cloud must be very dense. Gravitational attraction must stop. Atoms must be stripped of their electrons. Helium atoms must break down into hydrogen. Temperatures must exceed 14 million Kelvin.

Answers

Answer:

Explanation:

Fusion requires temperatures about 100 million Kelvin (approximately six times hotter than the sun's core).

At these temperatures, hydrogen is a plasma, not a gas. ...

The sun achieves these temperatures by its large mass and the force of gravity compressing this mass in the core.

Answer:

The gas cloud must be very dense.

Atoms must be stripped of their electrons.

Temperatures must exceed 14 million Kelvin.

Explanation:

I got it right and it says it's not

Gravitational attraction must stop.

Helium atoms must break down into hydrogen.





This was once a forested hillside. The county where this hill is located decided to widen the roads in the area. All of the trees and shrubs were cut down. This area was plowed up and all that was left was large boulders, gravel, and a thin layer of soil. After a year, left undisturbed, these low-growing plants appeared. If left undisturbed, what can we expect to see in this space a few years form now?

Answers

Answer:

Unwanted/unplanned growth weeds will cover the whole area.

Explanation:

Because the area was previously forested hillside, it has all the environmental conditions (nutrients, rainfall, etc.) to support the vegetation. Hence, Although the soil layer is thin, natural weathering process would increase the depth of soil layer over the years. Later on, biogeochemical cycles on top layer will result into successful nutrients release to support vegetation. Hence, in a few years, there will be growth of weeds (unplanned vegegation).

Answer:

The plants that once lived here should start to re-establish in the area.

Identify the dependent and independent variables in the following examples. a. Height of bean plants is recorded daily for 2 weeks growing in different fertilizers.

Answers

Answer:

Identify the dependent and independent variables in the following examples. a. Height of bean plants is recorded daily for 2 weeks growing in different fertilizers.

Height of the bean plant is the dependent variable while the different fertilizer is the independent variable that the bean plant height depends on

Explanation:

Final answer:

In the given example, the type of fertilizer used on bean plants is the independent variable and the resulting height of the bean plants is the dependent variable.

Explanation:

In these examples, the independent variable is the factor that you manipulate or change. In this case, the independent variable is the type of fertilizer used on the bean plants. On the other hand, the dependent variable is what you measure or observe change in as a result of the independent variable. Here, the dependent variable is the height of the bean plants. The height of the bean plants may change based on the type of fertilizer used, making it dependent on the independent variable.

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2. Based on Figure 22–1, which of the following features evolved first in land plants? (1 point)
•flowers
•water-conducting tissue
•seeds enclosed in fruit
seeds

Answers

I believe the answer is water conducting tissue.

Prehistoric plants used spores, not seeds and plants like liverworts didn’t have flowers when they first colonized the land (they do now though).

B. Water-conducting tissues

What are the different layers of the sun's atmosphere? Which of these layers can we see, and why?

Answers

Different layers present in the sun's atmosphere and  layers we will see is explained below.

Explanation:

1.The sun's atmosphere is composed of several layers, mainly the photosphere, the chromosphere and the corona. These outer layers is the sun's energy, which has bubbled up from the sun's interior layers, is detected as sunlight.

Photosphere : lowest layer of the sun's atmosphere is the photosphere. Thickness of this layer  is about 300 miles (500 kilometers).In this layer is the sun's energy is released as light. Because of the distance from the sun to Earth, light reaches our planet in about eight minutes.It is marked by bright, bubbling granules of plasma and darker, cooler sunspots, which emerge when the sun's magnetic field breaks through the surface.It is is also the source of solar flares: tongues of fire that extend hundreds of thousands of miles above the sun's surface.Solar flares produce bursts of X-rays, ultraviolet radiation, electromagnetic radiation and radio waves.Chromosphere :Next layer of the sun's atmosphere  is the chromosphere.It emits a reddish glow as super-heated hydrogen burns off. But the red rim can only be seen during a total solar eclipse. At other times, light from the chromosphere is usually too weak to be seen against the brighter photosphere. It may play a role in conducting heat from the interior of the sun to its outermost layer, the corona. "We see certain kinds of solar seismic waves channeling upwards into the lower atmosphere, called the chromosphere, and from there, into the corona.Corona : Third layer of the sun's atmosphere is the corona. It can only be seen during a total solar eclipse as well.Corona appears as white streamers or plumes of ionized gas that flow outward into space. Temperatures in the sun's corona can get as high as 3.5 million degrees Fahrenheit (2 million degrees Celsius). As the gases cool, they become the solar wind.

The photosphere is the deepest layer of the Sun's atomsphere which we can observe directly. It reaches from the surface visible at the center of the solar disk to about 250 miles (400 km) above that.

Final answer:

The Sun's atmosphere is made up of the photosphere, chromosphere, and corona. We can see the photosphere with the eye. The chromosphere and corona can only be seen during a total solar eclipse.

Explanation:

The Sun's atmosphere is composed of three primary layers: the photosphere, the chromosphere, and the corona. The photosphere is the lowest layer and is the part of the Sun that we can see with our eyes. It's essentially the Sun's visible surface.

Above the photosphere, we have the chromosphere. This layer gets its name from the Greek word for 'color' because a red glow is often seen around the Sun during solar eclipses. However, the chromosphere is generally not visible to the eye unless during a total solar eclipse.

Beyond the chromosphere lies the corona, which is the outermost layer of the sun's atmosphere. It is visible during a total solar eclipse as a white halo around the Sun but otherwise is too faint to see due to the brightness of the Sun itself.

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Which of the following is an example of genetic discrimination?
Miranda's doctor asks her to take a genetic test before she gets pregnant.
o Wesley pays more for his insurance than his younger brother.
O Veronica is cut from the swim team because of poor grades.
O Timothy does not get a promotion at work because he has cancer.

Answers

Timothy does not get a promotion at work because he has cancer is an example of genetic discrimination.

Explanation:

Genetic discrimination is termed so when an employer or an insurance company treats indifferently an individual with gene mutation or heritable diseases.

The act of not giving promotion and using the genetic information for the reason by the employer is indifferent and termed genetic discrimination as in case of cancer where life expectancy and large insurance claim is the reason.

Insurance companies do not give benefits or insurance to potential people having or prone for having the mutation and heredity disease.

To help overcome this discrimination federal level laws have been implemented as Genetic information non discrimination act. It strictly prohibits the indifferent behaviour of the employers and insurance companies.

Answer:

D.) Timothy does not get a promotion at work b/c he has cancer.

Explanation:

Hope this helps :D

How did chloroplasts end up in the producers cell

Answers

Answer:

they were a paracite

Explanation:

the mitochondrial theorem or something. basically they live in a symbiotic relationship but originally it was two separate life forms. this is true for the mitochondria and chloroplasts

Answer:

They begin as bacteria but are then enlarged by larger cells.

match each situation to the correct graph.

1. clownfish lay hundreds of eggs,but only 10% to 15% survive into adulthood.

2. 80% of elephant calves survive into adulthood.

3. A population of beetles in a newly colonized field grows exponentially.

4. A wolf population grows over a certain period and then stabilizes.​

Answers

Here the population graph are given for different populations.

1. Clownfish lays hundreds of eggs, but only 10 to 15% survive in adulthood. This completely fits for graph number 4 which shows rapid declining in the population by time.

2. 80% of elephant calves survive into adulthood. This is described graphically by graph number 1 where great number of population size increases stably over a certain period of time.

3. A population of beetles in a newly colonized field grows exponentially. So an exponential graph - a "J" shaped curve in graph number 2  which shows an exponential increase in population size.

4. A wolf population grows over a certain period and then stabilizes, can be described by graph number 3 which is a "S" shaped curve.

It shows that after increasing for certain period of time the population stabilizes due to any environmental factors.

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Definition: This is a cylindrically shaped attachment on the revolving nose piece of a compound light microscope near the specimen

Answers

Answer:   The answer is objective lens.

Which is the fifth most common pool where carbon is stored apart from the Earth’s crust, ocean, soils, and atmosphere? The five most prominent pools where carbon is stored include the Earth’s crust, oceans, soil, atmosphere, and the .

Answers

Answer:

Explanation:

We can organize all the carbon on earth into five main pools, listed in order of the size of the pool:

Lithosphere (Earth's crust). This consists of fossil fuels and sedimentary rock deposits, such as limestone, dolomite, and chalk. ...

Oceans. ...

Soil organic matter. ...

Atmosphere. ...

Biosphere.

The fifth most common pool where carbon is stored apart from the earth's crust, ocean, soils, and atmosphere is the living biosphere especially the plants.

where is carbon stored in environment ?

Most essential element to all living things on earth is carbon which are present every where like in plants and animals, surface and marine.

It regulate global climate including temperature and determine the features of rain water.

The main source of storage of carbon are atmosphere where carbon dioxide and shorter-lived methane CH4 are stored.

In biosphere carbon is present in all living organisms in various forms where as in cryosphere the plants of tundra and arctic regions have the carbon storage.

Pedosphere store organic carbon and the remaining  of dead plants & animals where as lithosphere have many of the rocks of the earth’s crust   which contain carbon.

Finally hydrosphere have the oceans contain that have dissolved CO2 as well as marine.

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The first place to turn for help is your friends. True False



tbh idk what subject this is in

Answers

Depends on the situation. Generally it would be better to ask an adult for help

Answer:

Well I say true I mean if your scared to talk to a adult then your friend should be the first person to ask for help

Explanation:

Definition of stem cell ?

Answers

Answer:

Stem cells are cells of the body (somatic cells) which can divide and become differentiated.

Explanation:

Answer:

an undifferentiated cell that can divide to produce some offspring

the allele for yellow peas is dominant to the allele for green peas. how would you represent the alleles of a plant that is heterozygous for seed color?

Answers

Answer: The alleles of a plant that is heterozygous for seed color can be represented as Y for dominant allele for yellow seed and y for recessive allele for green seed.

Explanation: A plant that is heterozygous for seed colour has one dominant allele and one recessive allele for seed colour. If Y represents the dominant allele for yellow seed colour and y represents the recessive allele for green seed colour, therefore the plant has a genotype of Yy. A dominant allele is one that has the ability to mask the effect of a recessive allele while a recessive allele is one whose effect is masked by a dominant allele. Dominant alleles are denoted with upper cases while recessive alleles are denoted with lower cases. A plant that is heterozygous for seed colour with genotype Yy will manifest outwardly as Yellow seed colour due to the presence of the dominant allele Y.

Final answer:

A plant that is heterozygous for seed color, with yellow being dominant over green, would be represented with the genotype Yy. This indicates one dominant allele (Y) for yellow peas and one recessive allele (y) for green peas.

Explanation:

To represent the alleles of a plant that is heterozygous for seed color, where the allele for yellow peas is dominant to the allele for green peas, we use two different letters. As per the Mendelian genetics convention, a dominant allele is indicated using an uppercase letter, while a recessive allele is indicated using a lowercase letter. Since yellow is dominant, we can denote the yellow allele as 'Y' and the green allele as 'y'. Therefore, a heterozygous plant for seed color would have the genotype Yy, indicating it carries one allele for yellow peas and one for green peas.

Pea plants that are homozygous for the yellow trait would have a genotype of YY, and those that are homozygous for the green trait would have a genotype of yy. When these homozygous plants are crossed, as seen in the P generation, the offspring produced are the F₁ heterozygotes with genotype Yy and a yellow phenotype. From this heterozygous state, the offspring can be predicted using a Punnett square analysis to show potential genotypes and phenotypes of the F₂ generation.

ll in the blank.
Wegener's original name for the supercontinent was _______.
When two tectonic plates converge and one slips under the other, a/an _______ zone is formed.
The process of heating the mantle from the core of the earth causes expansion and movement of material in a/an _______ cell, which is partly responsible for the movement of continents.
Gravity is responsible for the movement of continents in two ways: through _______ at subduction zones as gravity drags a plate downward, and through _______ as gravity pushes plates downslope, away from the center.
When two opposing plates meet and scrape against one another at a fault, stress is created when the two moving plates catch or stick together. As this stress is released, a/an _______ occurs.
The Ring of Fire is a region of intense volcanic and seismic activity that borders the _______ Plate.

Answers

The first blank is Pangea

Answer:

1. Pangaea

2. subduction

3. convection

4. slab pull, ridge push

5. earthquake

6. Pacific

Explanation:

What do we call an individual that has inherited two identical alleles for the same trait?

*serious answers only*

Answers

A) Homozygous

An organism in which two copies of the gene are identical and are the same allele is called homozygous

Answer:

heterozygous is the correct answer

Explanation:

What is the importance of capillary fluid exchange?

Answers

Answer:

Capillary Exchange Mechanisms

Diffusion, the most widely-used mechanism, allows the flow of small molecules across capillaries such as glucose and oxygen from the blood into the tissues and carbon dioxide from the tissue into the blood.

Explanation:

What is immunity?
That is my question

Answers

Answer:

In biology, immunity is the balanced state of multicellular organisms having adequate biological defenses to fight infection, disease, or other unwanted biological invasion, while having adequate tolerance to avoid allergy, and autoimmune diseases.

the ability of an organism to resist a particular infection or toxin by the action of specific antibodies or sensitized white blood cells.

Passive immunity is provided when a person is given antibodies to a disease rather than producing them through his or her own immune system.

A newborn baby acquires passive immunity from its mother through the placenta. A person can also get passive immunity through antibody-containing blood products such as immune globulin, which may be given when immediate protection from a specific disease is needed. This is the major advantage to passive immunity; protection is immediate, whereas active immunity takes time (usually several weeks) to develop.

However, passive immunity lasts only for a few weeks or months. Only active immunity is long-lasting.

Active immunity results when exposure to a disease organism triggers the immune system to produce antibodies to that disease. Exposure to the disease organism can occur through infection with the actual disease (resulting in natural immunity), or introduction of a killed or weakened form of the disease organism through vaccination (vaccine-induced immunity). Either way, if an immune person comes into contact with that disease in the future, their immune system will recognize it and immediately produce the antibodies needed to fight it.

Active immunity is long-lasting, and sometimes life-long.

the process where a cell changes from one cell type to another is called

Answers

Answer:  Cellular differentiation is the process where a cell changes from one cell type to another

Explanation:

Usually, the cell changes to a more specialized type. Differentiation occurs numerous times during the development of a multicellular organism as it changes from a simple zygote to a complex system of tissues and cell types.

I hope this helps.....

Final answer:

Cellular differentiation is the process by which unspecialized cells become specialized into various cell types with specific functions, a key concept in developmental biology. Differentiation is normal in growth, whereas metaplasia is an abnormal cell conversion that can be associated with disease.

Explanation:

The process where a cell changes from one cell type to another is known as cellular differentiation, which is a pivotal aspect of developmental biology. This differentiation process involves unspecialized cells, such as stem cells, becoming specialized into one of the many different types of cells that make up the human body, like neurons or epithelial cells. Cellular differentiation is crucial, as it is the means by which various cell types develop the unique structures and functions necessary to perform specific tasks in the body.

It's important to distinguish between cellular differentiation and metaplasia. While differentiation refers to the normal development of cells into more specialized forms, metaplasia is the abnormal conversion of one mature cell type to another and often occurs in response to chronic irritation or inflammation, as seen in diseases like cirrhosis of the liver.

If the beetles disappeared from this community, which changes would be
likely to occur? Select the three correct answers.

A. A decrease in the number of boa constrictors
B. A decrease in the population of sloths
c. A decrease in the population of poison dart frogs
D. An increase in the number of strangler figs
E. An increase in the population of fruit bats

Answers

Final answer:

If the beetles disappeared from this community, it would likely cause a decrease in the population of sloths and poison dart frogs, and an increase in the population of fruit bats.

Explanation:

If the beetles disappeared from this community, it would likely cause a decrease in the population of sloths, a decrease in the population of poison dart frogs, and an increase in the population of fruit bats.



The beetles serve as a food source for some sloths and poison dart frogs. Without beetles, these species would struggle to find enough food, leading to a decrease in their populations.



Additionally, fruit bats consume fruits, which are produced by plants. If the number of beetles declines, it may result in an increase in the population of fruit bats because there would be less competition for the available fruits.

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Scientists construct an experimental bacteriophage that is composed of the T2 phage protein coat and T3 phage DNA. If a bacterium is infected by this phage, the new phages produced would be expected to have: A project's payback period is the ______. estimated length of the capital investment project from the initial cash outflow to the end of the project length of time it takes for the project to begin to generate cash inflows length of time it takes for the project to recover its initial cost from the net cash inflows generated useful life of the capital asset purchased A teacher gives students ideas for an assignment, but encourages them to be creative and pick their own subject and format. The teacher is using a(n) _________ leadership style.\ Stephanie is taking out a loan in the amount of $15,000. Her choices for the loan are a 4-year loan at3% simple interest and a 5-year loan at 5% simple interest. What is the difference in the amount of interestStephanie would have to pay for each of these two loans?$1,950$3,750$4,550$1,800 A cone ___ has a square baseneveralwayssometimes g Write a program that prompts the user to enter two integers. The program outputs how many numbers are multiples of 3 and how many numbers are multiples of 5 between the two integers (inclusive). Based on electronegativity values, which bond is the most polar?Immersive Reader(1 Point)BCCONOOF Shaquira is baking cookies to put in packages for a fundraiser. Shaquira has made 86 chocolate chip cookies and 42 sugar cookies.Shaquira wants to create identical packages of cookies to sell, and she must use all of the cookies.What is the greatest number of identical packages that Shaquira can make? What are two different ways offactoring -5x - 15? Select allthat apply. Earn $23Spend $2.46 and $$7.96Save $10Share ? Michael and Jill live together and are planning to marry once they graduate from college. They also would both like to have childrenbut not right away. Michael has a history of genital herpes and is concerned about not transmitting this infection to Jill. Of the following methods of contraception, which might be the best choice for them?a) withdrawal.b) female condoms.c) a fertility awareness method.d) female or male sterilization. What is meant by the phrase "seas of mud"?The trenches were filled with mud.The rain ran through the trenches like the waves of the sea.The rain helped clean the uniforms.The sea was spilling into the trenches. If the government wants to limit shrimp sales to 500 pounds, it can impose a _____ excise tax on sellers, and the total tax revenue generated will be _____. Please select the word from the list that best fits the definitionDebateA. AnalyzeB. EvaluateC. QuestionD. Reflect In research essays, brackets [ ] are used by writers to demonstrate when:__________.a. small changes have been made within exact quotations. b. outside resources have been cited. c. original sources have been paraphrased. d. parts of a quotation were already within quotation marks. Find the accumulated value of an investment of $ 20 comma 000 for 5 years at an interest rate of 6.5 % if the money is a. compounded semiannually; b. compounded quarterly; c. compounded monthly d. compounded continuously. Consider an economy made up of 100 people, 60 of whom hold jobs, 10 of whom are looking for work, and 15 of whom are retired. The number of unemployed persons is _____. a. 15 b. 10 c. 90 d. 40 e. 30 Carl claims that for some centers of dilation of a line, the line will remainunchanged. He is tasked to prove his claim using the line y = 5x - 10 and a dilationwith a scale factor of 2. Which center of dilation could be used to support Carl'sclaim?A. (0,0)B. (-5, 35)C. (1, -5)D. (2, 20) The predatory bacterium, Bdellovibrio bacteriophorus, drills into a prey bacterium and, once inside, digests it. In an attack upon a gram-negative bacterium that has a slimy cell covering which can inhibit phagocytosis, what is the correct sequence of structures penetrated by B. bacteriophorus on its way to the prey's cytoplasm? 1. membrane composed mostly of lipopolysaccharide 2. membrane composed mostly of phospholipids 3. peptidoglycan 4. capsule A) 4 ?? 3 ?? 1 ?? 2 B) 1 ?? 4 ?? 3 ?? 2 C) 2 ?? 4 ?? 3 ??1 D) 4 ?? 1 ?? 3 ?? 2 E) 1 ?? 3 ?? 4 ?? 2 8) This refers to the geological processes, mostly large-scale movements of Earth's crust, that result in the formation of mountains. Anyone know what this is?