In Terms of Food Capture,which Sponge Cell is Most Similar

Question

In terms of food capture,which sponge cell is most similar to the cnidocyte of a cnidarian?
A)amoebocyte
B)choanocyte
C)epidermal cell
D)pore cell

Accepted Answer

The choanocyte is the most similar cell to the cnidocyte of a cnidarian in terms of food capture. Both cells have a similar structure with a flagellum surrounded by a collar of microvilli that traps food particles. The cnidocyte uses nematocysts to capture prey, while the choanocyte uses its collar to trap bacteria and other small particles.