Multiple choice

In which of the following phyla are sexes separate, i.e. males and females are distinct?

  1. Porifera

  2. Ctenophora

  3. Platyhelminthes

  4. Aschelminthes

  5. None of these
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

This is the correct option. In phylum Aschelminthes, sexes are separate, i.e. males and females are distinct. Often females are longer than males.

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