An Invertebrate Biologist Explains to Your Class That She Studies

question 42

Multiple Choice

An invertebrate biologist explains to your class that she studies the choanocytes of sponges.You know that choanocytes are

• A)specialized cells near the osculum of the sponge.
• B)specialized cells that contain spongin and thus contribute to the sponge's rigid structure.
• C)specialized cells that eventually form spicules.
• D)specialized cells that have flagella and function to gather food particles.
• E)specialized cells from which larval sponges develop.

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