Arthropoda & Echinodermata

What is the exoskeleton usually made up of?

• Chitin
• Bones
• Cuticle
• Carapace

What phylum do crustaceans belong to?

• Animalia
• Echinodermata
• Arthropoda
• Cnidarian

What does Echinodermata mean?

• Hard shell
• Many arms
• Soft bodied
• Spiny skin

Tags

NGSS.MS-LS4-2

What body segment does a crayfish have, that a grasshopper does not?

• thorax

• exoskeleton

• spiracle

• cephalothorax

By what process do arthropods grow out of their exoskeletons?

• Shedding

• Molting

• Cracking

• Metamorphosis

The small appendages found on the crayfish that aid in swimming and reproduction

• swimmerets

• walking legs

• antennules

• uropod

Crustaceans are decapods, meaning they have _______ legs.

• 4

• 6

• 8

• 10

____________ are the jaws of an insect.

• pedipalps

• labrums

• maxillae

• mandibles

Which of the following is NOT a characteristic of arthropods?

• Exoskeleton

• Jointed appendages

• Segmented body

• Endoskeleton

Which of the following is NOT a function of the exoskeleton

• Protection

• Prevents water loss

• Attachment of muscles

• Aids in digestion