Animal Unit study guide

Invertebrates are animals

• with a backbone
• without a backbone

What am I?

• Arthropod
• Cnidarian
• Mollusk
• Porifera

I have a soft-body, a hard shell, and live on land and water.  What am I?

• Mollusk
• Arthropod
• Echinoderm
• Cnidarian

I have a round body divided into segments and my digestive tract has two openings.

• Echinoderm
• Cnidarian
• Annelid
• Mollusk

What type of worm has a circulatory system?

• Flatworms

• Roundworms

• Nematodes

• Segmented worms

What type of worm is a tapeworm?

• Flatworm

• Roundworm

• Segmented worm

• Annelid

This group has feathers/

• fish
• reptile
• bird
• mammal

This group feeds milk to its young.

• birds
• mammals
• fish
• reptile

T/F Worms have bilateral symmetry.

• True 
• False

Which of the following is an example of a crustacean?

• squid
• crab
• earth worm
• bumble bee