Answer:
The evolution of the heart is based on the separation of oxygenated blood from deoxygenated blood for efficient oxygen transport. pisces have a dual chambered heartwhile reptiles and amphibians are having a three chambered finally aves and mammals have four chambered hearts.
Explanation:
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Answer:
Ducks, pelicans, crocodiles, platypuses, along with some frogs, dogs, and cats.
Answer:
Structurally, plant and animal cells are very similar because they are both eukaryotic cells. They both contain membrane-bound organelles such as the nucleus, mitochondria, endoplasmic reticulum, Golgi apparatus, lysosomes, and peroxisomes. Both also contain similar membranes, cytosol, and cytoskeletal elements.
Producers rely on light because that is what they use to "produce" food. Consumers, however, also rely on light, because first of all they need to see, and second of all, the light fuels growth of producers, which in turn, when consumers eat the producers, promote growth of other consumers.
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