Exoskeletons of lobsters are composed of
A) chitin and calcium-containing minerals.
B) collagen and calcium-containing minerals.
C) chitin and cartilage.
D) collagen and cartilage.
E) chitin,collagen,and calcium-containing minerals.

Question

Quizplus · Accepted Answer

Lobster exoskeletons are composed of chitin, a nitrogen-containing polysaccharide, and calcium-containing minerals. Collagen and cartilage are found in the endoskeletons of vertebrates, not in crustaceans.

Exoskeletons of Lobsters Are Composed of