Answer:
The answer is A because it erodes rocks away over time
Explanation:
A
Dominant phenotype but it can not be determined if it would be homo/heterozygous without information of the other parent
Vestigial structures are often homologous to structures that are functioning normally in other species. Therefore, vestigial structures can be considered the evidence for evolution, the process by which beneficial heritable traits arise in populations over an extended period of time.