Which component of blood transports oxygen?

Answer:

Explanation:

how people are using the land. ... Land cover data documents how much of a region is covered by forests, wetlands, impervious surfaces, agriculture, and other land and water types.

Answer:

Hello,

The correct answer option is B. A moray eel eats a fish swimming by

Explanation:

A Moray eel is carnivore and feeds on  fish, octopuses or crabs. In this case the Moray eel is the predator whereas the fish is the prey.In a predator-prey relationship, one of the species will be hunted for food by the other species.This relationship is important because it can help to slow down the spread of diseases.

Best of Luck!

Answer:

The correct answer is A moray eel eats a fish swimming by.

Explanation:

i took the k-12 test and got 100%

Answer:

The correct answer is asthenosphere.

Explanation:

The Earth comprises four layers, that is, the crust, the mantle, the inner core, and the outer core. The magnetic field of the Earth is the amalgamation of the convection it attains from the Coriolis Effect and the outer core. The layer of the Earth where convection of the mantle takes place is the asthenosphere.

Answer:

(ANSWER): ASTHENOPHERE

Explanation:

If you add a drop of anti-A serum and it clumps the blood type has blood type B markers that will fight off the A serum making the blood type B....  

I got this because...  

there is A, B, AB, and O blood  

A has anti-B clumping proteins  

B has anti-A clumping proteins  

AB has no clumping proteins  

O has anti-A, anti-B, and anti-AB clumping proteins  

so the only on one with anti-A clumping proteins is blood type B  

hope this helps :)

The blood type that a blood sample showing clumps in anti-a serum, but not anti-b or anti-rh sera is A negative (A-) (Option A).

In conclusion, the blood type that a blood sample showing clumps in anti-a serum, but not anti-b or anti-rh sera is A negative (A-) (Option A).

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Answer:  The answer is the D. "Observation" is not a variable in an experiment.

Explanation: Research variables are factors that can be manipulated, measured or those that we try to explain through other variables. "Observation" is not a variable in an experiment, but it is the first step and fundamental part in the scientific method, in which the experiments are contained (experimentation stage). Observation is the information recorded during an experiment, obtained through the senses or through the registration of information on scientific instruments.

Observation is not a type of variable in a scientific experiment.

When performing an experiment, we can identify three kinds of variables:

A dependent variable is the one we will be focused on during the experiment, it is what we will be measuring. An independent variable is one that will not change in response to other variables in the experiment, it is not affected by the others and is often changed. Lastly, a control variable is any variable that we keep the same throughout the experiment. Since these are the only 3 variables in an experiment, we can say that only option D is correct, it is not a type of variable.

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The mitochondria in both plant and animal cells is responsible for producing energy. They make ATP, the cell's main energy-carrying molecule, through a process called cellular respiration. Ensuring both plants and animals have a system to effectively convert nutrients into usable energy.

The mitochondria are responsible for producing energy in both plant and animal cells. They are often referred to as the 'powerhouses' or 'energy factories' of a cell. This is because they make adenosine triphosphate (ATP), the cell's main energy-carrying molecule which represents the cell's short-term stored energy.

Cellular respiration is the process of making ATP using the chemical energy found in glucose and other nutrients. Within the mitochondria, this process uses oxygen and produces carbon dioxide as a waste product, which we exhale with every breath.

In plants, they also have chloroplasts that perform photosynthesis to convert solar energy into chemical energy, then this energy is broken down in mitochondria similar to the process in animals. This clearly shows the interplay and importance of both photosynthesis and respiration in plant cells, and the central role that mitochondria play in both animal and plant cells for energy production.

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Answer: Tension

Explanation:

Tension force is known to be force that pulls rocks apart thereby causing normal faults. Also, it is known to be a force that causes rocks to stretch in order to be thinner in the middle. However, fault Block Mountain is usually formed when plates are moving apart or when large blocks from the earth crust drop down as a result of tension force in relative to other blocks.

Answer:

Tension

Explanation:

I took quiz and got it correct

Answer:

nitrogen fixation.

Explanation:

Nitrogen fixation is the process by which the combination of molecular nitrogen oxygen or hydrogen is given to give oxides or ammonium that can be incorporated into the biosphere. Molecular nitrogen, which is the majority component of the atmosphere, is inert and not directly usable by most living beings.

Answer:

Homeostasis is the ability to maintain a constant internal environment in response to environmental changes so organism must need it so they can be balanced internally in response to the environment .

Hope This Helps!  Have A Nice Day!!

Homeostasis is important to the survival of organisms because it allows them to maintain stability in their internal environment and adapt to changing external conditions.

Homeostasis is the ability of an organism to maintain stable internal conditions in response to changes in its external environment. It is important to the survival of organisms because it allows them to function properly and adapt to different conditions. For example, in humans, homeostasis regulates body temperature, blood pressure, and blood glucose levels to ensure optimal physiological functioning.

By maintaining homeostasis, organisms can keep their internal environment within a narrow range of conditions that are necessary for their survival. This stability allows cells and organs to function properly and perform their specific roles. Without homeostasis, organisms would be more susceptible to disease, dehydration, or other disruptions that could threaten their survival.

Overall, homeostasis plays a vital role in the survival of organisms by allowing them to maintain internal stability and adapt to changing external conditions.

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Answer:

Because ancestors more common with each other are closer to the center....1000's of species names make more sense by simply looking at it.

Explanation:

yahoo

Final answer:

Phylogenetic trees represent evolutionary relationships and require homologous traits to accurately trace ancestries and evolutionary pathways. They serve as a map of evolutionary history, showing how species are related and have diverged over time.

Explanation:

A fanlike diagram, known as a phylogenetic tree, is a useful model for phylogenetic classification because it illustrates the evolutionary relationships among different organisms or groups of organisms. The reason it is so important for scientists to distinguish between homologous and analogous characteristics before creating such trees is because phylogenetic trees are based on evolutionary connections. Homologous characteristics reflect a common ancestry, while analogous characteristics may be similar due to convergent evolution but not due to a shared ancestor. Therefore, using homologous traits is crucial for accurately depicting the pathways of descent.

Moreover, the phylogenetic tree serves as a map of evolutionary history. Rooted trees have a single lineage at the base, indicating a common ancestor from which all organisms on the diagram diverged. This can help trace the lineage of a single species and discover common ancestors among various species. On the other hand, unrooted trees show relationships but not a common origin. The hierarchical classification is reflected, showcasing the diversity and comparability of different species over evolutionary time.

Answer:

Cost benefit analysis is a way for society to make decisions about complicated issues such as education, health care, transportation, or the environment.

Explanation:

Cost benefit analysis involves a comparison of the costs of an action compared with considerations of the benefits of that action. The most important component of a cost benefit analysis is the base situation or what would happen if no changes were made.  A cost-benefit analysis is a process, businesses use to analyze decisions.

Environmental cost-benefit analysis refers to the economic appraisal of policies and projects that have the deliberate aim of improving the provision of environmental services or actions that might affect. it is estimating the strengths and weaknesses of alternatives used to determine options which provide the best approach to achieving benefits.

Answer:

internal expenses , decreases

Explanation:

Answer:

divergent, convergent, and parallel evolution.

Explanation:

Factors such as environment and predation pressures can have different effects on the ways in which species exposed to them evolve. Not sure about rates. hope this can help.

The answer is A : watershed. Please correct me if I’m wrong :)

Mosquitoes can often transmit viruses from one organism to another, acting as vectors of the virus.

A vector is an organism that carries a pathogen from one host to another. Mosquitoes are vectors for a number of viruses, including dengue, Zika, yellow fever, and malaria.

When a mosquito bites an infected person, it can pick up the virus in the blood. The virus then multiplies in the mosquito's body and can be transmitted to the next person that the mosquito bites.

Mosquitoes are able to transmit viruses because they have a long proboscis, which is a tube-like structure that they use to suck blood. When a mosquito bites, it inserts its proboscis into the skin of the host and draws blood. The virus can then be transmitted from the host's blood to the mosquito's salivary glands. When the mosquito bites another person, it can then transmit the virus through its saliva.

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Final answer:

Mosquitoes serve as biological vectors for viruses, for example, the West Nile virus and malaria. They transmit these pathogens directly to hosts through their bites. Preventive measures like using insect repellent and protective clothing are encouraged to reduce the risk of vector-borne diseases.

Explanation:

Mosquitoes can often transmit viruses from one organism to another, acting as vectors of the virus. For instance, mosquitoes are a vector for West Nile virus, which they spread without becoming sick themselves. As biological vectors, mosquitoes can transmit viruses and parasites through their bites, injecting these pathogens directly into the bloodstream of their hosts. Diseases like malaria highlight the complexity of this transmission, as the malaria parasites go through various life stages and can be carried by mosquitoes from humans to other hosts, such as monkeys. Vector-borne diseases require detailed knowledge about the behaviors and environments of both the vectors and pathogens involved. Thus, measures such as using insect repellent, wearing protective clothing, and sleeping in well-screened areas are recommended to avoid bites and reduce the risk of infection.

Answer:

Option (C).

Explanation:

Reading frames represent a way of reading the sequence of nucleotides in a DNA or RNA molecule into a set of non-overlapping, constitutive triplets.

These triplets are known as genetic codes or codons. There are total 64 codons, out of which 61 code for particular amino acids and three codons provide stop signaling.

So, if a reading frames change in a RNA molecule, it will lead to change in codon sequence and formation of a completely different peptide.  

Thus, the correct answer is option (C).

Answer:

The correct answer is option C. "Without a well-defined reading frame, the peptide made from a given sequence could be completely different".

Explanation:

In molecular biology, the reading frame is defined as the way a nucleotide sequence is divided in triplets, at which each group of three nucleotide (codons) is translated into an amino acid. Well-defined reading frames are critical in protein synthesis, because any change in the reading frame would result in a peptide completely different of the one desired. A clear example of the importance of a well-defined reading frame is seen in frameshift mutations, at which nucleotide insertions or deletions causes leads to the synthesis of a completely different and non functional protein.

Answer:

Electrochemical proton gradient

Explanation:

As electrons are passed from one protein complex to another in the mitochondria, the tapped energy is used to pump protons to the intermembrane space between the inner and outer mitochondrial membrane. This creates a proton motive forces whose potential is harnessed by the ATP synthase to phosphorylate ADP to ATP (the cell energy molecule).

Answer:

The electron transport chain reaction occurs in the cristae of the mitochondria.

Answer:

The answer is 32.

Answer:

An organism with five pairs of chromosomes can have 32 genetic possibilities from independent assortment of its single gamete

Explanation:

An organism with five pairs of chromosomes can have 32 genetic possibilities from a variety independent of its single gamete.

To achieve this result, you just have to do a very simple calculation using formula 2ⁿ. In this formula, the number 2 indicates the number of possible gamete combinations, while the letter "n" indicates the number of haploid chromosomes the individual has. Thus, for the individual exposed in the above question, the letter "n" would be replaced by the number 5, indicating that: 2⁵ = 2x2x2x2x2 = 32.

The genotypes are all of them and the phenotypes are every option that has at least 1 capital letter. The genotypes are internal features and the phenotypes are the features that are visibly present.

Answer:

b

Explanation:

The two parent pea plants are likely heterozygous for the pea color trait, meaning they each carry one dominant (yellow) and one recessive (green) allele. This would account for the observed offspring pea color ratios. So, the correct option is C.

The information given in the question suggests that the parent pea plants are both heterozygous for the pea color trait. This means that they each carry two different alleles for the pea color gene - one dominant (yellow) and one recessive (green). When they reproduce, each parent plant contributes one of these alleles to their offspring, resulting in an approximately 3:1 ratio of yellow to green peas in the offspring. This is a characteristic outcome of a Punnett square for parents that are heterozygous for a particular trait.

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Answer:    Sunlight entering the water may travel about 1,000 meters (3,280 feet) into the ocean under the right conditions, but there is rarely any significant light beyond 200 meters (656 feet).

The ocean is divided into three zones based on depth and light level. The upper 200 meters (656 feet) of the ocean is called the euphotic, or "sunlight," zone. This zone contains the vast majority of commercial fisheries and is home to many protected marine mammals and sea turtles.

Only a small amount of light penetrates beyond this depth.

The zone between 200 meters (656 feet) and 1,000 meters (3,280 feet) is usually referred to as the “twilight” zone, but is officially the dysphotic zone. In this zone, the intensity of light rapidly dissipates as depth increases. Such a minuscule amount of light penetrates beyond a depth of 200 meters that photosynthesis is no longer possible.

The aphotic, or “midnight,” zone exists in depths below 1,000 meters (3,280 feet). Sunlight does not penetrate to these depths and the zone is bathed in darkness.

‘Photic’ is a derivative of ‘photon,’ the word for a particle of light.

At 200  measures below  ocean  position, blue light is most likely to be present due to the  immersion characteristics of water which allow blue and green wavelengths to access deeper, with blue light scattering by water  motes.

At 200  measures below  ocean  position, blue light would most  probably be present. This is due to the  immersion characteristics of water, where different wavelengths of light are  downgraded at different rates. Water absorbs the longer wavelengths like red first in the upper 10 m, orange by about 40 m, and  unheroic before 100 m, leaving the shorter wavelengths like blue and green to access further.    The depth of 200  measures is within the dysphotic zone, also known as the twilight zone, where there's  veritably little light, and it doesn't support photosynthesis. Since the photic zone extends to the upper 200 m, and blue light penetrates the deepest, it's the only color that can be perceived at this depth under natural conditions without artificial illumination. The clear water of the open ocean allows blue light to access deeply and be scattered by water  motes, further  buttressing the dominance of blue at lesser depths.

Answer: C food web

Explanation:

Food web is a system that interlock and interdependent food chain

Answer:

C. Food Web

Explanation:

A food web is the network of interconnected food chains. It represents the branched food chains wherein one plant species serve as food for many different primary consumers and one specific primary consumer feeds on various plant species. This leads to interconnected network of food chains and is called as food web.

Answer:

The statement that best summarizes Gregory Mendel's contribution to science is that Mendel found evidence that there are two factors for each trait.

Explanation:

Mendel is known as the father of genetics. He formulated, through the work he carried out with different varieties of pea, the so-called laws of Mendel that gave rise to genetic inheritance.

By his work he found evidences that there are two factors responsible for carrying the traits from one generation to another. These two forms of traits were dominant (visible in F1 generation) and recessive (visible in F2 generation).

For Example: In peas, the yellow color of the seeds is dominant over the green color, which is recessive.

Answer: magma

Explanation:

False. The closer the matching percentage is the earlier you will find a common ancestor.

Answer:

A good example is pulmonary system and the circulatory system.

The body needs oxygen. The respiratory system is where we get the oxygen supply. When it enters our lungs, how does it go around? This is where the circulatory system comes in.  When blood enters our lungs, it picks up the oxygen we need. The primary function of the blood is to distribute nutrients, hormones, and Oxygen to the other cells of the body. Another important function of blood is to remove wastes from the cell like carbon dioxide. The carbon dioxide is brought to the lungs which we will expel when we exhale.

Answer: You could put the pulmonary system and the circulatory system.

Explanation:

(Im in 6th grade it might not be correct sorry)

Answer:

K-strategists

Explanation:

Reproductive pattern in organisms can be typically categorised into two:

1. K- Strategy

2. R- Strategy

K-strategists are organisms that lives in very stable environments and gives birth to fewer organisms. Most of these organisms reproduce close the carrying capacity of their habitat. They offer support and protection to their progeny to the points where they become indepedent. The mortality rate is very low in such organisms and so is the birth rate too.

R-strategists are organisms whose main aim is to populate and dominate an environment. They reproduce exponentially and offers no life support to their progeny in their early developmental stage. They often occupy unstable and highly unpredictable environments. Most R organisms have a very low and short life expectancy. Since they produce more offspring and they live under adverse environments, mortality rate is high.

Examples of K-strategists are elephants and man

Examples of R-stategists are grasses and microbes.

Answer:

A

Explanation:

-Gametes (sex cells) go through meiosis while body cells go through mitosis

-Also body cells make up the body of any kind of multicellular organisms and gametes are either sperm or eggs

I hope this kinda helped

The differences between somatic cells and gametes lie in their chromosome count and cellular functions.

Somatic cells and gametes differ in their chromosome count and types. Somatic cells are diploid with 46 chromosomes, while gametes are haploid with 23 chromosomes. Another difference is that somatic cells are involved in forming the body's structure, whereas gametes are essential for reproduction.

Answer:

The correct answer is option (c). central vacuole.

Explanation:

The central vacuole is an organelle, which is important for maintaining the turgidity in the plant cell. The central vacuole stores water, minerals, salts and helps the cell to maintain the osmorality.

The central vacuole stores a lot of water in the cell, and swell up due to high water concentration, this provide the turgidity to the plant cell and keep intact with the cell wall.

Final answer:

Other than the cell wall, the large central vacuole is essential in providing rigidity to plant cells through turgor pressure. The cell wall itself is made of cellulose, other polysaccharides, and protein, and it's this structure that gives raw vegetables their crunch.

Explanation:

Aside from the cell wall which provides rigidity to plant cells, another critical organelle is the large central vacuole. Found within plant cells, the central vacuole acts as storage for water and other substances. When filled with water, the vacuole exerts an internal pressure called turgor pressure, which reinforces the cell's rigidity. This pressure helps maintain the plant's structural integrity, enabling it to stand upright and resist wilting.

Furthermore, it's interesting to note that besides cellulose, the cell wall also contains other polysaccharides and protein. It not only gives structural support and protection but also has pores that allow the movement of water and nutrients into and out of the cell. The cell wall's sturdy nature is evident when biting into raw vegetables, such as celery, where the crunch is the result of tearing through the rigid cell walls.

C. I believe this is the answer based of the chart that you gave

Viruses do not take in nutrients this support the classification of viruses as non-living.

A virus is a non-cellular, infectious entity with a microscopic structure that can live by relying on the host cell. It cannot be categorized as a living creature or a non-living material because of its parasitic nature and the traits of both living organisms and non-living substances.

The virus cannot replicate outside the host cell because it lacks the necessary cellular components. To survive, it enters the host body and attaches to a specific cell, injects genetic material, reproduces using host genetic material, and then splits the host cell, releasing new viruses.

Viruses likewise lack the characteristics of living organisms:

Thus, we can conclude that option D is correct.

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a would be the answer because protista were the first to be on earth and they had eye spots which could they could barely see out of and then their eyes evolved along with their body and everything but the answer was a

The first life-forms on Earth were likely simple single-celled organisms known as prokaryotes, existing over 3.5 billion years ago, well before the advent of complex multicellular organisms and the Cambrian Explosion that led to a significant increase in life's complexity. Hence the correct option is A.

The First Forms of Life on Earth

These early life forms are believed to be prokaryotes, which are organisms without a nucleus or other membrane-bound organelles. This precedes the later development of more complex life, like multicellular organisms which appeared much later in Earth's history. The first multicellular organisms, such as sponges, had specialized cells but were still far simpler than the complex multicellular organisms we see today. Fossil records suggest that the earlier life forms likely resembled modern-day bacteria in size and simplicity. As for the progression of life, it is broadly accepted that life on Earth started as single-celled, simple organisms, which then evolved over billions of years into a diverse array of complex organisms we have today. This evolutionary process is thought to have begun around 3.5 to 4 billion years ago, and the first multicellular life didn't appear until about 610 million years ago, leading up to the Cambrian Explosion of evolution which expanded life's complexity significantly.