Inner layers of the sponges are made up of__________?
Correct answer: C. Choanoytes
- A. Pinacocytes
- B. Choanoderm
- C. Choanoytes
- D. Pinacoderm
Explanation
The inner lining of a sponge is the choanoderm, and it is made of flagellated collar cells called choanocytes that create water currents and trap food. Students may choose b because choanoderm is the name of the layer, but the question asks for the cells forming it.
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