Why is the ventricle of the frogs heart thicker than the atria

Biology

1 answer:

Lemur [1.5K]3 years ago

7 0

Answer:

The ventricles of the frog are thicker than the atria because the ventricles have to pump blood to more important areas of the frog's body. The atrium shows less resistance to the flow of blood hence they do not need as thicker walls as the ventricles. The heart of a frog has one ventricle and two atria. Hence, this single ventricle should be powerful enough to pump blood to the important parts of the body.

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nikklg [1K]

Explanation:

photosynthesis

mutualism

decomposers

chemotrophs

photosynthesis:

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mutualism:

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decomposers:

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3 years ago

1. Populations can have variety, despite being made up of the same species. If a population has different expressed traits, this

fgiga [73]

Natural Selection proposes that organisms that are better adapted to their environment are able to survive and reproduce.

Even though these frogs are the same species, their shades of green is what helps them to survive in their habitat. In this case, frogs with a lighter shade of green are able to be seen by predators easier, whereas frogs with darker shades are able to blend in (camouflage) more with their surroundings. After a period of time, due to them being easily seen, lighter-shaded green frogs will die off.

To anseer your question, natural selection would have a gradual affect on the frequency of the alleles. Lighter-green allele frequencies would eventually cut off, and darker-green allele frequencies will increase.

Hopefully the following image will help:
As seen in the image, (please forgive the quality, as I had drawn this on some random kids drawing site on the internet...) you can see the affects of natural selection on the allele frequencies. The brighter-green shades gradually decrease over time, as the darker shades increase.

Hope you find this helpful.

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3 years ago

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KonstantinChe [14]

Answer:

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Pani-rosa [81]

Explanation:

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3 years ago