Chromosomes; chromosomes can mutate during the creation of the next generation with semen and the egg.
Answer:
adaptation, extinction, and the creating of new species
Explanation:
The disappearance of the deer indicates A. Intraspecific Competition
The statement which best explains why carbon is present in so many kinds of molecules is because <u>it can form four covalent bonds.
<em /></u>It isn't rare on Earth, so A is incorrect. It has valence electrons, so C is incorrect. It cannot become an ion, so D is incorrect.<u>
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