Module 12 Arthropods

Arthropods have ____________ symmetry.

• radial

• none

• jointed

• bilateral

This term means arthropods lose their exoskeleton to grow larger

• molt

• melt

• break

• slide

copepods have _____ pairs of antennae and _____ pairs of legs

• 3;6

• 2;5

• 1;5

• 1;4

Barnacles filter water to gather food using their _______

• fingers

• cirri

• mouthparts

• teeth

this crustacean is common food for whales and fish in polar waters

• amphipods

• copepods

• krill

• barnacles

which of the following is NOT a decapod?

• shrimp

• sea spider

• lobster

• crab

Male crabs have a ____ -shaped abdomen while a female crabs abdomen is ____ -shaped

• U;V

• W;C

• V;U

• T;U

Letter C is identifying what part of a crayfish?

• abdomen

• cephalothorax

• cheliped

• telson

Letter D is identifying what part of a crayfish?

• abdomen

• cephalothorax

• cheliped

• telson

Letter G is identifying what part of a crayfish?

• abdomen

• maxilliped

• pleopods

• cheliped