Phylum Arthropoda (Marine Bio)

All of the following are marine crustaceans except...

• Crayfish

• Lobster

• Sea Star

• Shrimp

Crustaceans have all of the following except...

• Neurotoxins

• an exoskeleton

• body segmentation

• the ability to molt

The legs of the marine crusacenas are found on this body segement.

• head

• cephlathorax

• abdomen

Which of the following types of feeding mechanisms exist in marine crustaceans

• scavenging

• filter feeding

• predation

• all of the above

Class _______ contains copepods

Subclass ____ contains barnacles.

What do we call the first pair of walking legs that have been modified into claws or pinchers

• Telson

• Maxillipeds

• Chelipeds

• Mandibles

What is the fusion of body regions called?

• Molting

• Exoskelton

• Merostomata

• Tagmata

What class contains horsehoe crabs and sea scorpions?

• Decapoda

• Copepoda

• Merostomata

• Cirripedia

What do we call the tail region of horsehow crabs that is often used to help turn over the animal?

• Telson

• Uropoda

• Carapace

• Zoea