Which of the following is characteristic of ciliates? a. most live as solitary autotrophs in fresh water. b. they can exchange genetic material with other ciliates by the process of mitosis. c. they use pseudopods as feeding structures. d. they are often multinucleate.

D. They are often multinucleate.

Explanation:

Ciliates are a group of protozoans that contain a bunch of hair-like organelles called cilia. One main characteristic of Ciliates is that they often multi-nucleate. This term refers to eukaryotic cells that contain various or at-least more than one nucleus per cell. They usually act as important mediators for the repair of tissues as well as the removal of any foreign material that may be found.

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