Jellyfish (cnidarians) and comb jellies are thought to be closely related. While both trap food, the mechanism by which they achieve prey capture is different. Which of the following statements reflects this difference?
a. Comb jellies have a sticky substance on their tentacles to trap prey; jellyfish have nematocysts to sting and immobilize prey.
b. Comb jellies use cilia to create small currents around their bodies to draw in prey; jellyfish catch prey opportunistically.
c. Comb jellies use cilia to create small currents around their bodies to draw in prey; jellyfish catch prey opportunistically.
d. Comb jellies have a stomach to digest and absorb prey; jellyfish have a stomach and a rudimentary intestine to digest and absorb prey.