Multiple Choice
Which of the following is NOT true about sponges?
A) They have few predators or pathogens.
B) Some groups have sharp spicules of silica or calcium carbonate.
C) Some species secrete a slimy body coating.
D) They can harvest sea anemone nematocysts and use them for their own defense.
E) Disease and overharvesting have caused population declines.
Correct Answer:

Verified
Correct Answer:
Verified
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