Multiple Choice
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:

Verified
Correct Answer:
Verified
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