Which statement correctly outlines the reason for divergent evolution hypothesis of echinoderms and hemichordates?
Correct answer: A. Blastopore forms the anus
- A. Blastopore forms the anus
- B. They are both aquatic
- C. They have a well developed circulatory system
- D. They have dorsal nerve cord
Explanation
Both hemichordates and echinoderms are deuterostomes, i.e. blastopore develops to form the anus. This shows that both groups evolved from a single common ancestor (divergent evolution).
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