The tough protein fibers sometimes found in sponge skeletons are of a substance called _____________.
Correct Answer:
Verified
Q27: Which of the following statements about sponges
Q28: Which is NOT a trait of sponges?
A)They
Q29: The water outlet in sponges is known
Q30: In most sponges,the free-swimming larva produced by
Q31: Why are bath sponges so soft?
A)Silica is
Q33: The largest impact that the loss of
Q34: The minute,needle-like structures that act as a
Q35: Placozoans feed by
A)sharing food produced by symbiotic
Q36: The flagellated cells embedded in the mesohyl
Q37: Which of the following is NOT found
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