Sponges have no “true tissues.” What does this mean?

A. They perform body functions by diffusion.

B. They have organs for specific functions.

C. Similar cells do not cooperate together.

1 Answer

  • C.Sponges have cellular-level organization, meaning that that their cells are specialized so that different cells perform different functions, but similar cells are not organized into tissues and bodies are a sort of loose aggregation of different kinds of cells. This is the simplest kind of cellular organization found among parazoans.

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