You and Your Biology Lab Class Take a Field Trip

You and your biology lab class take a field trip to a marine aquarium.Your guide is a marine biologist who studies squids.She explains to your class how squids are able to blend into their environment.She points out that squids have pouches of pigments embedded in their epithelium.The pouches are called

A) trochophores.
B) spermatophores.
C) lophophores.
D) chromatophores.