Question

which of the following statements is true regarding the importance of sponges in evolution? a. choanocytes of sponges are similar to choanflagellate protists. b. sponges support colonial hypothesis due to 3 cells types working together c. sponges link unicellular protists to multicellular animals with tissues. d. all of the above.

Explanation:

The choanocytes of sponges do resemble choanoflagellate protists. Sponges with their three - cell types support the colonial hypothesis. Also, they act as a link between unicellular protists and multicellular animals with tissues.

Answer:

D. All of the above