A protein that makes up bird feathers.

An invertebrate that has a segmented body, jointed appendages, and usually an exoskeleton.

The class of animals with a hard exoskeleton.

The phylum with shells, antennae, and soft bodies.

The phylum with radial symmetry, tube feet, and spiny skin.

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C&L Sci Quiz 3

Mr. Stickler's C&L Science Vocab. quiz 3 (Ch. 2)

Term	Definition
Keratin	A protein that makes up bird feathers.
Arthropod	An invertebrate that has a segmented body, jointed appendages, and usually an exoskeleton.
Crustacean	The class of animals with a hard exoskeleton.
Mollusk	The phylum with shells, antennae, and soft bodies.
Echinoderm	The phylum with radial symmetry, tube feet, and spiny skin.