Sponges, Cnidarians, Flatworms, and Roundworms | CK-12 Foundation
BIL 106 - Lecture 11
SOLVED: Pore Flagellum Collar cell (choanocyto) Asconoid sponge A Epidermal cells absorb plankton and oxygen floating in the externa environment, and then pass these nutrients to cells in the interior: The large
Choanocytes Functions & Examples | Collar Cells in Sponges - Video & Lesson Transcript | Study.com