Arthropods

The exoskeleton of an arthropod is made of which of the following?

• chitin

• dentin

• protin

• cellulose

Since the exoskeleton limits the growth of arthropods, they have to shed their exoskeletons and form a new one. This is called ____.

• defecating

• molting

• morphing

• excreting

Which of the following does not belong in subphylum Crustacea?

• Crayfish

• Crabs

• Shrimp

• Millipedes

Tags

NGSS.MS-LS4-2

Which of the following correctly describes a crayfish's body regions?

• head, thorax, abdomen

• head, abdomen

• cephalothorax, abdomen

• head, cephalothorax

Which of the following crayfish appendages contain the claws?

• Uropods

• Telson

• Maxillipeds

• Chelipeds

Barnacles filter water to gather food using their _______

• fingers

• cirri

• mouthparts

• teeth

which of the following is NOT a decapod?

• shrimp

• sea spider

• lobster

• crab

The term 'arthropod' literally means

• bent leg

• jointed foot

• bent foot

• jointed skeleton

Barnacles are arthropods that are:

• Sessile

• Microscopic

• Benthic

• Toxic

Organs on spiders that are modified as fangs and used to inject venom into prey 

• chelicera
• antennae
• spinnerets
• chelipeds