Multiple choice

Which of the following is the characteristic feature of poriferans?

  1. Segmented body

  2. Presence of pores

  3. Motile

  4. Presence of scales
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

Poriferans (commonly known as sponges) are named after their characteristic porous body structure with numerous pores (ostia) through which water enters and leaves. They lack true tissues or organs. Segmented bodies, motility, and scales are features of other animal groups.

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