Which is NOT a trait of sponges?
A) They are sessile filter feeders
B) Their body wall has two incipient "cell layers"
C) Their flagellated collar cells move water
D) Water enters through the osculum
E) Amoeboid cells digest food and make skeletal fibers and gametes Water exits a sponge through the osculum.
Correct Answer:
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Q23: Out of all metazoans,members of _ have
Q24: The unique feature of sponge development in
Q25: The demosponges
A)constitute only a small number of
Q26: Molecular data support the hypotheses that metazoans
Q27: Which of the following statements about sponges
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
Q32: The tough protein fibers sometimes found in
Q33: The largest impact that the loss of
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