The skeleton of the sponges is in the form of variously shaped needle like structures called___________?
Correct answer: B. Spicules
- A. Stripules
- B. Spicules
- C. Brails
- D. Spines
Explanation
Sponges commonly contain mineral or organic needle-like skeletal elements called spicules, which provide support and protection. Students may choose d because spines are also pointed structures, but spines are not the standard skeletal term for Porifera.
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