Arthropods

What type of circulatory system do arthropods have?

• open

• closed

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

• chitin

• dentin

• protin

• chlorotin

Arthropods have ____________ symmetry.

• radial

• none

• jointed

• bilateral

decapods have ______ legs.

• 8

• 10

• 12

• 20

What does the name Arthropod mean?

• "Suit of Armor"
• "Hard Cover"
• "Jointed Foot"
• "Tough Foot"

Arthropods make up about _______ of all animals on Earth. 

• 80%
• 90%
• 50%
• 10%

An animal with six legs and two antennae is called a(n)

• insect

• cephalothorax

• gills

• antenna

What do insects use to see?

• sensory lobes

• bristles

• simple eyes

• compound eyes

A spider is an insect.

• True
• False

Tags

CCSS.RL.11-12.6

How many legs does an insect have?

• 2 legs
• 6 legs
• 4 legs
• 8 legs