Which of the following statements about sponges is false?
A) Some species live in fresh water.
B) Their bodies are supported by silicaceous or calcareous spicules.
C) They have cell layers and true organs.
D) They feed via flagellated choanocytes.
E) Their bodies have an extracellular matrix composed of collagen and adhesive glycoproteins.
Correct Answer:
Verified
Q238: Refer to the figure, which shows three
Q239: Refer to the figure, which shows three
Q240: Which of the following animal stages or
Q241: How do nematocysts help protect some cnidarians?
A)
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Q243: Sea pens are distinctly different from sea
Q244: Which of the following statements about ctenophore
Q245: Placozoans are structurally simple.They have no mouth,
Q247: Cnidarians
A) have a complete gut.
B) mostly inhabit
Q248: Refer to the table. 
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