Best Answer: well, organisms of the same genus have very similar characteristics... so its easier for scientists to infer something about one species when they have another species classified as very similar.<span>
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Explanation: The biological fitness of an organism is dependent on its ability to survive and reproduce in a given environment. A trait that increases ability to survive, but makes an individual sterile, decreases fitness because the organism cannot produce offspring to carry on the trait.
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Indentifiyng species is the answer
Fossils are the preserved remains, or traces of remains, of ancient animals and plants
C) water and energy ATP
The end products of respiration.
