Question

According to the statement of the recapitulation theory, during development:

Options

• Developmental stages resemble organisms from unrelated phyla only.

• Only adult stages show features resembling ancestral organisms.

• Young stages never show any resemblance to ancestral organisms.

• Young stages may show features resembling ancestral organisms.

Answer 1

A key statement of the theory is that during development, young stages may show features resembling ancestral organisms. These developmental similarities were interpreted as evidence of evolution.