The phylum name Arthropoda refers to:

A) the ability to fly
B) a hard exoskeleton
C) jointed appendages
D) a segmented coelom
E) respiratory capabilities

Arthropoda

A phylum of invertebrate animals that includes insects, arachnids, myriapods, and crustaceans, characterized by an exoskeleton, segmented body, and jointed appendages.

Jointed Appendages

Jointed appendages are limbs or structures that are segmented and connected by joints, allowing for a range of movements, characteristic of arthropods.