Animals of the Phylum ____ are Likely to Have an Exoskeleton

Question

Animals of the phylum ____ are likely to have an exoskeleton.  
A) Mollusca
B) Arthropoda
C) Nematoda
D) Chordata
E) Annelida

Accepted Answer

Arthropods, such as insects and crabs, are known for their exoskeletons made of chitin.