Answer:
D
Explanation:
because cell are not pre existing
Codons that code for the same amino acid are termed synonyms, Silent mutations are base substitutions that result in no change of the amino acid or amino acid functionality when the altered messenger RNA (mRNA) is translated.
The answer is D unrestricted whaling could lead to their extinction.
I believe the cerebrum is the largest part of the brain, so the answer should be C.