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enyata [817]
3 years ago
10

What is the difference between the atrium and the ventricle in the heart?

Biology
1 answer:
aalyn [17]3 years ago
5 0

The two atria are thin-walled chambers that receive blood from the veins. The two ventricles are thick-walled chambers that forcefully pump blood out of the heart. The right atrium receives deoxygenated blood from systemic veins; the left atrium receives oxygenated blood from the pulmonary veins.

Hope this helps!

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Answer:

the energy collected by the herbivorous plankton would be lost and the rest of the bigger organisms will depend on eating other animls that doesn´t give the same amount of enrgy

Explanation:

smaller organisms that are generally herbivorous help to process the energy of the soil and microorganisms, if the power source is lost then the bigger organisms will eat smaller organisms that are not capable to process the energy the same way

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pashok25 [27]
Directional selection is a type of natural selection that favors one extreme phenotype over the mean or another extreme. Examples of directional selection include giraffes that have long necks and the darkening of London's peppered moths after the Industrial Revolution.

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Disruptive selection is a type of natural selection that shows a preference toward the reproduction of genetic material at the extremes within a population.One of the most studied examples of disruptive selection is the case of ​London's peppered moths.
From Wikipedia
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