Each of these animals have adapted in very similar ways to similar habitats. This us similar to a homologous structure, but that is a term used for the presence of similar bones.
Idk for sure but D is the only one that might make sense.
Hope this helps!
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Glucose and oxygen are the input molecules
Answer:
1st blank: four nitrogenous bases each. (cytosine, adenine, and guanine)
2nd blank: DNA had thymine
3rd blank: RNA has uracil
