The minute,needle-like structures that act as a skeletal support system in sponges are called _________________.
Sponge skeletons are comprised of calcareous or siliceous spicules or spongin.
Correct Answer:
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Q22: If a sponge is fragmented and cells
Q25: The demosponges
A)constitute only a small number of
Q27: Which of the following statements about sponges
Q32: Placozoans feed by
A) sharing food produced by
Q33: The largest impact that the loss of
Q35: The unique feature of sponge development in
Q36: Out of all metazoans,members of _ have
Q37: Which of the following is NOT found
Q37: The free-swimming larva of most sponges is
Q39: Placozoans
A)are flat,plate-like animals with no symmetry.
B)are probably
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