Answer:
Protista, Fungi, Plantae, and Animalia.
Explanation:
Answer:
Protista, Fungi, Plantae, and Animalia.
Explanation:
Eukaryotes represent a domain of life, but within this domain there are multiple kingdoms. The most common classification creates four kingdoms in this domain: Protista, Fungi, Plantae, and Animalia.
Hope this helps!!!
Have a nice day!!!
Essay
(Extended Constructed Response)
69. Compare and contrast the process of cellular
respiration in anaerobic and aerobic organisms.
Discuss the role of oxygen, where the reactions
occur, and the net gain of ATP molecules. help please
Answer and Explanation:
Cellular respiration is the process through which organic compounds are broken down enzymatically to release energy in the cell. Aerobic respiration takes place in cytoplasmic organelles called mitochondria. Glucose is completely broken down through oxidation to carbon dioxide and water with the release of a large amount of energy(38 ATPs). It takes place in presence of oxygen. anaerobic respiration is carried out by a number of microorganisms as well as muscle cells. Glucose is partially broken down in absence of oxygen into either lactic acid and energy(2 ATP) in animals or ethanol, carbon dioxide and energy( 2 ATP) in plants.
Hypothesis:
When the concentration outside the system is greater than the concentration inside the system,
Where will solute move?
and will water move?
according to mendal’s law of dominance,which statement best describes the result of a cross between parents with genotypes Rr and Rr?
Answer:
according to mendal’s law of dominance,which statement best describes the result of a cross between parents with genotypes Rr and Rr?
All offspring with at least R will have red flower
Explanation:
Rr X Rr = RR, Rr, Rr, and rr
75% will reflect red flower while rr will reflect white flower
Answer:
The answer is C: All offspring with at least one R will have red flowers.
Explanation:
Mendel's Law of Dominance states that: “In a cross of parents that are pure for contrasting traits, only one form of the trait will appear in the next generation. Offspring that are hybrid for a trait will have only the dominant trait in the phenotype.”
This simply means that if there exists two contrasting traits (I.e Rr), one of the traits will always suppress the other, thereby expressing itself. R suppresses r, thus making the offspring with big R have red flowers. The trait is called a dominating trait and the suppressed is called recessive trait.
Answer quick please!
A bunch of ducks fighting over food is an example of?
Answer:
Competition
Explanation:
- An accident victim (who was not wearing a seat belt) was thrown from a vehi-
cle and pronounced dead at the scene. The autopsy reveals the cause of death
to be spinal cord injury resulting in paralysis of the phrenic and intercostal
nerves. Why is this injury fatal?
This injury is fatal because, The phrenic nerve regulates breathing and operates the diaphragm.
Explanation:
The motor ability is provided by the Nerve called Phrenic nerve to the diaphragm. This is a muscle that is very important for the respiration to take place in human. When a damage or injury occurs to the Phrenic nerve, it may result in the paralysis of diaphragm.
When this is damages there may be difficulties in breathing and only small amount of air can be inhaled. Thus the paralysis of this nerve results in the prevention of the victim to find difficulties in respiration. Thus, the example given is fatal because, the phrenic nerve regulates breathing and operates the diaphragm.
Cell Biology
Which process takes place in meiosis but not in mitosis?
A. spindle fiber formation
B. cell division
C. metaphase
D. crossing-over
Answer:
D- crossing over
Explanation:
All the others happen in mitosis.
Energy in most ecosystems must flow through autotrophs because ______.
Answer: Only autotrophs have the ability to convert energy from the sun (solar energy) into chemical energy.
Explanation: Autotrophs are living organisms which manufacture their own food. Plants are autotrophs because they manufacture their own food in a process called photosynthesis. Photosynthesis is a process by which Chlorophyll containing green plants and some bacteria use solar energy to make organic food substances from carbon dioxide and water. The food produced is consumed by animals to generate chemical energy. Animals depends on plants for their own food and thus are called heterotrophs.
Which of the following represents a recessive trait?
Select one:
a. R
b. s
c. Q4
d. T
Answer:
b. s
Explanation:
you can determine alleles by recessive (lowercase) and dominant (upercase)
What is the teaching of concepts and skills through
verbal explanation or instruction?
Select one:
O a. Classical condititioning
O b. Tutelage
O c. Vicarious conditioning
O d. Modeling
Answer:Answer: B
Explanation:
Tutelage is a fundamentally collaborative process, enabling a leaner to acquire new concepts and skills from examples. The learner contribute to the process by expressing their internal state through communicative or interactive acts e.g., expressing understanding, confusion and attention e.t.c
Answer:
Tutelage
Explanation:
What is the name of the average weather in an area over a long period of time?
A) climate
B) rain
C) storms
D) weather
HELP ASAP!!!!!
Answer:
D
Explanation:
Bc it’s common sense
Will give 20 points if you can help and answer correctly!
Punnet Squares questions!
Answer:
the fathers pheno types would be non-roller and the mothers would be a carrier. the geno types would be for the father rr and the mother would be Rr
Explanation:
the probability of having a child that is a tongue roller is 50 percent and a non tongue roller is 50 percent :)
Answer: The father's phenotype is non- roller and his genotype is rr. The mother's phenotype is tongue-roller and her genotype is Rr because she is a heterozygous tongue-roller.
The probability of having a child who is a tongue-roller is 1/2 and the probability of having a non-roller child is 1/2.
Explanation: The possible genotypes of their children are Rr and rr. Fifty percent of the children are tongue-rollers while fifty percent are non-rollers. Children with Rr genotype will manifest outwardly as tongue-rollers because being a tongue-roller R is dominant over being a non-roller r. R is dominant over r.
See the attached punnet square for better understanding.
Step 8: Simulate an environment with equal amounts of insects and seeds, but no fruit. Which flock will be able to eat the most? The least? Why?
The omnivorous flock will eat the most as it eats both insects and seeds. With the removal of fruit it will not be affected much.
The herbivorous flock will eat the least as it has the option to eat seeds only after the removal of fruit.
Explanation:
Let us take the example of Finches. Finches have many different species with different variations adaptable to conditions favorable as per availability of the type of food.
Lets say -
Species X and Y is provided with insects, seeds and fruit.
Species X - Omnivorous
Species Y - Herbivorous
The species X will be able to eat the most as it is an Omnivore.
The omnivorous flock will eat the most as it eats both insects and seeds. With the removal of fruit it will not be affected much.
Species Y will be able to eat the least as it is an herbivore.
The herbivorous flock will eat the least as it has the option to eat seeds only after the removal of fruit.
Omnivore birds can eat both vegetarian ad non-vegetarian. Flock A will be able to eat the most.
Darwin Finch Experiment:
Darwin state that the finches radiate on the island according to the availability of food and later develop as individual species.
If there are 2 flocks of birds A and B.
Where,
A is an herbivore, andB is an OmnivoreSo, for the omnivore, both insects and seeds are available to eat whereas for herbivores only seeds are available.
Therefore, flock A will be able to eat the most.
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Darwin was curious about the patterns in the distribution of living things which is the study of
Answer:
Biogeography
Explanation:
the study of the geographic distribution of living things and the abiotic factors that affect their distribution.
Darwin was curious about the patterns in the distribution of living things which is the study of biogeography.
What is biogeography?The study of geographic distribution patterns of organisms and the variables that influence such distributions is known as biogeography. This field is crucial to our comprehension of the evolution and adaption of marine mammals.
It also offers proof of evolution. One species may evolve into numerous other species to fill available niches on island chains like the Galápagos. The term for this is adaptive radiation.
Historical biogeography, ecological biogeography, and conservation biogeography are the three primary subfields of biogeography. Hence, Darwin was curious about the patterns in the distribution of living things which is the study of biogeography.
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What siz a chloroplast
Answer:Chloroplasts are roughly 1–2 μm (1 μm = 0.001 mm) thick and 5–7 μm in diameter.
Explanation:
A traveler finds herself in a biome that is full of trees. She notices that there are many
plants growing on the ground. Which of the following clues would confirm which biome
this is?
A. Many animals are ending their hibernation.
B. The soil is wet from a recent rainstorm.
C. There are migrating birds building nests.
D. The trees of the forest have broad leaves.
Answer:
try d I am not 100% sure but that should be correct
Explanation:
Discuss the environmental benefits of carbon sequestration.
Answer:
Planting trees and managing their development is a proven way to reduce the number of harmful particulates in the air5. Carbon sequestered, or stored, is carbon not emitted into the atmosphere. Less carbon in the atmosphere will reduce the greenhouse gas effect and lessen the impacts of climate change.
Explanation:
This is the foundation for DNA replication the rule that states that purine adenine always pairs with the pyrimidine thymine and the pyrimidine cytosine always pairs with the purine guanine
Answer:
Chargaff's Rule (Base Pair Rule)
Explanation:
Chargaff's Rules:
Erwin Chargaff, a Columbia university biochemist analyzed the proportions of the purine (adenine and guanine) and pyrimidine (cytosine and thymine) bases in DNA.Chargaff discovered that in DNA, the purines and pyrimidines are in a 1:1 ratio i.e the percentage of purines equal to that of pyrimidines. He further concluded that the amount of adenine was approximately equal to the amount of thymine and that of cytosine was approximately equal to that of guanine.Therefore, adenine always pairs with thymine whereas cytosine always pairs with guanine.Definition: This is an organism that relies on other organisms for its food and energy supply; also called a heterotroph.
Answer:
And autotrophic are those that make their own food from simple substances.
Explanation:
Answer:
Guys I think it is Composer
Explanation:
lets say there is a tomato plant, caterpillar depends on the plant to survive
Can anyone help me with this science any help is appreciated.
How is intelligence measured? Question 11 options: by an IQ test by a Binet Simon test by a Weschler Intelligence test by all of the above
Answer:
intelligence is measured by Iq test
Intelligence is measured through various intelligence tests, such as the IQ test, Binet-Simon test, and Weschler Intelligence test. These tests assess different cognitive abilities and provide scores that reflect overall intelligence.
Explanation:Intelligence is measured through various intelligence tests, such as the IQ test, Binet-Simon test, and Weschler Intelligence test. These tests assess different cognitive abilities, such as verbal comprehension, visual spatial skills, working memory, and processing speed. The Wechsler Adult Intelligence Scale-fourth edition (WAIS-IV), the Wechsler Intelligence Scale for Children (WISC-V), and the Wechsler Preschool and Primary Scale of Intelligence-IV (WPPSI-IV) are examples of widely used intelligence tests developed by David Wechsler. These tests provide scores that reflect an individual's performance in different cognitive domains and provide an overall IQ score.
How important is DNA to the cell?
Answer:
A
Explanation:
very important for cellular life and function
What type of defense is the immune system?
Specific or non-specific
Answer:
Nonspecific defenses include anatomic barriers, inhibitors, phagocytosis, fever, inflammation, and IFN. Specific defenses include antibody and cell-mediated immunity.
Explanation:
Drag each label to the correct location on the diagram.
Identify how a hormone molecule performs its function.
formation of mRNA
in the nucleus
secretion of hormone
by tissue
initiation of DNA
replication because
of a signal given
by the hormone
synthesis of protein
molecule by mRNA
and tRNA
secretion of protein
by the cell
binding of the
hormone molecule
with its receptor
of the cell
Answer:
i know its not the official answer, but i hope this helps :)
Explanation:
Hormones binding to receptors initiate protein synthesis.
What are hormones?Hormones are chemical messengers produced by the body by endocrine glands and released into the blood to effect certain changes in the body.
Hormones are secreted from the cell and binds to its receptor. This initiates several responses in the body such as:
formation of mRNA in the nucleusinitiation of DNA replication because of a signal given by the hormonesynthesis of protein molecule by mRNA and tRNAsecretion of protein by the cellIn conclusion, hormones send messages to cells and when they bind to their receptors produce changes.
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compare the structure of the left atrioventricular valve with that of the aortic valve
The left atrioventricular valve, or mitral valve, has two cusps and is located between the left atrium and ventricle. The aortic valve has three cusps and is located between the left ventricle and aorta.
Explanation:The left atrioventricular valve, also known as the mitral valve, and the aortic valve are both important valves in the heart. However, they differ in their structure and location within the heart.
The left atrioventricular valve is located between the left atrium and the left ventricle. It consists of two cusps or leaflets, known as the anterior and posterior cusps. These cusps are attached to chordae tendineae, which in turn are attached to papillary muscles, helping to prevent backflow of blood into the left atrium during ventricular contraction.
In contrast, the aortic valve is located between the left ventricle and the aorta. It has three cusps, known as the left, right, and posterior cusps. These cusps are thinner and more rigid compared to the cusps of the left atrioventricular valve. Their main function is to prevent backflow of blood from the aorta into the left ventricle during diastole.
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The left atrioventricular valve, or mitral valve, has two cusps and is connected to papillary muscles via chordae tendineae. The aortic valve has three cusps and operates without chordae tendineae, controlling blood flow from the left ventricle to the aorta with pressure changes.
The structure of the left atrioventricular valve, also known as the mitral valve or bicuspid valve, differs significantly from the structure of the aortic valve. The mitral valve resides between the left atrium and left ventricle, and it has two cusps: the anterior medial cusp and the posterior medial cusp. These cusps are anchored to the heart muscle by chordae tendineae, which connect to two papillary muscles that protrude from the ventricular wall. This valve is critical for maintaining unidirectional blood flow from the left atrium to the left ventricle.
In contrast, the aortic valve is located at the junction of the left ventricle and the aorta, guiding blood into the systemic circulation. It is a semilunar valve with three cusps that function without the need for chordae tendineae or papillary muscles. Its leaflets open and close with the pressure changes in the left ventricle during the cardiac cycle, ensuring blood only flows in one direction from the heart into the aorta.
While both valves are essential for the cardiac function of circulating blood through the heart and into the body, their structural differences are tailored to their specific positions in the heart and the pressure environments they encounter within the cardiac cycle.
The phylogenetic chart describes how modern-day elephants (Asian elephants and African elephants) evolved from extinct species. Based on the chart, are Asian elephants more closely related to Mammuthus (mammoths) or Mammuts (mastodons)? Are Mammut mastodons the same species as Paleomastodons? Explain your reasoning for both questions.
Answer:
Aisan elphants are more close to mammoths becasue they share more things on the phylogenic chart. This indicates a closer evolutionary ancestory. Mammut mastodons and paleomastodons are not the same species becasue the mammuts have some ancestory that the palemastodons dont have
Explanation:
Answer: Sample answer:
Asian elephants are more closely related to mammoths because they share more nodes and branches on the phylogenetic chart. This relationship suggests a closer evolutionary ancestry. Mastodons and Paleomastodons are not the same species. There are branches from Paleomastodon and Mammuts that suggest speciation occurred. Mammuts also have common evolutionary ancestors that Paleomastodons do not have.
Explanation:
What is likely to occur after a lava flow has destroyed all life in a natural community?
climax community
primary succession
secondary succession
growth of opportunist species
Help plz
Answer:
the answer is primary succession! why?
Explanation:
well it means, when new life begins in an area with no existing community or soil. That should help you guys!
Primary succession is most likely to occur after a lava flow has destroyed all life in a natural community. The correct option is B.
What is primary succession?When a new piece of land is produced or is first exposed, primary succession occurs.
This may occur, for instance, when lava solidifies and forms new rocks or when a glacier recedes and reveals bare rocks. In the initial succession, organisms have to start over.
In primary succession, living organisms first occupy newly exposed or newly created rock.
In secondary succession, a previously inhabited area is disrupted, then recolonized as a result of the disturbance.
The likelihood of primary succession is highest when a lava flow has wiped out all life in a natural community.
Thus, the correct option is B.
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Which is a specialized tissue in a plant that allows for the flow of water
throughout the plant?
A. Xylem
B. Ribosomes
c. Chloroplast
D. ATP synthase
10. what is the probability of a yellow (Y) and wrinkled pea (r) will appear from a cross of Yyrr x YyRr?
A. 1/8
B. 2/8
C. 3/8
D. 4/8
PLEASE HELP, WILL GIVE BRAINLIEST
Answer:
D
Explanation:
The punnett square showing the cross Yyrr x YyRr is attached
The gametes that the Yyrr individual can produce are either Yr or yr. The yyRr individual can produce YR, Yr, yR, or yr. The possible genotypes are shown in the punnett square.
For a pea to be yellow and wrinkled, it would have the genotype YYrr, or Yyrr (as yellow is dominant (Y) and wrinkled is recessive (r)). Therefore, we count the number of those genotypes of the total genotypes we get.
There are 4/8 that are either Yyrr or YYrr, so the answer is d.
Answer:
It shold be three out of 8 or C. 3/8
Explanation:
So first try to fill out the punnet square (I know you wont because your lazy) anyway after you have filled out the square count the number of Yr-s in your box because we are looking for Y (yellow) and r (red)
I found six out of sixteen or 6/16 which (if you know basic division) simplifies to 3/8 and that is your answer
Your welcome cheeters
which of the following is not an example of genetic variability
1. A population of snails has phenotypes that range from tan to dark brown.
2. An asexually reproducing single celled organism produces 10 offspring in its lifetime.
3. Allele #1 for wing size in a butterfly has the following sequence of bases: GGAT, while Allele #2 has this sequence: GGAC.>
4. A population of squirrel has multiple alleles that code for fur coloration
Number two is the only statement that doesnt mention gene variations.
An asexually reproducing single-celled organism produces 10 offspring in its lifetime showing no genetic variability because they are identical to their parents, hence option 2 is correct.
Why do asexually reproducing organisms not show genetic variability?Offspring are physically and genetically similar to their parents. They are a clone or exact replicas of the parent. Asexual reproduction doesn't involve any genetic material being recombined.
The populations of organisms that reproduce asexually increase and spread out more quickly than those that reproduce sexually because they need fewer resources for the same amount of reproduction.
Therefore, asexual populations, on the other hand, have less genetic variation and, as a result, are less able to adapt to shifting surroundings.
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