Multiple choice

Which one of the following is characteristic of deuterostomes?

  1. Radially symmetric body

  2. Bilaterally symmetric body

  3. Presence of well-defined digestive system

  4. Formation of anus from blastopore
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D Correct answer
Explanation

Deuterostomes are characterized by radial cleavage, enterocoelous coelom formation, and the development of the blastopore into the adult anus, whereas protostomes develop the mouth from the blastopore.

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