Answer:
they croak to show agresion
Explanation:
b/c they use it to pretect females
Synonym: gene
Antonym: nonhereditary
Answer:
Divergence
Explanation:
This happens because of the different genetic makeup or genotype of different individuals. The divergence mechanism occurs because of divergent evolution where in some cases random chances occurs and neurons became a source of stimulus for one but not other and vice versa.
