The most important trait that modern fish had developed was the transformation of their skeleton from cartilage to bones. This was called ossification. Eventually, bony fishes and sharks dominated the waters because their body structure development which helped them as swimmers is advanced compared to earlier fishes.
Face Muscle
Reasoning- Right by the Jaw of the face where the muscles of mastication is.
<span>First step. It dehydrogenation produces a double bond between the α and β carbon atoms (C-2 and C-3), yielding a trans-Δ2-enoyl-CoA. The symbol Δ2 designates the position of the double bond.</span>
Four conditions are needed for natural selection to occur: reproduction, heredity, variation in fitness or organisms, variation in individual characters among members of the population. If they are met, natural selection automatically results.
Answer:
The results are useless
Explanation:
The alkaline/alkaline results could indicate that only the protein was utilized by the organism, but it could also be a result of prolonged incubation. The organisms could have exhausted that available sugar and then reverted to protein catabolism.