Answer: Mrs.Connor
Explanation:I just want to go with is the flow.
I am no expert but I think the correct answer is C.
B) One swims freely and the other often lives attached to a hard surface.
Speciation is the process by which new species form. It occurs when groups in a species become reproductively isolated and diverge. In allopatric speciation, groups from an ancestral population evolve into separate species due to a period of geographical separation.
