What is an invertebrate?

• An animal with a backbone
• a mammal
• An animal without a backbone
• birds

The organism in the picture is a(n)

• echinoderm
• mollusk
• arthropod
• cnidarian

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

• Mollusk
• Arthropod
• Echinoderm
• Cnidarian

I am spiny, have a water vascular system with tube feet, radial symmetry, and am called a brittle star.

• Mullosk
• Arthropod
• Echinoderm
• Cnidarian

Tags

NGSS.MS-LS4-2

The organism shown is an example of a(n)

• mollusk
• cnidarian
• sponge
• echinoderm

Tags

NGSS.MS-LS4-2

Which is not a main class within the phylum of mollusca?

• crustacean 
• cephalopod
• gastropod
• bivalve

Which of the following is a cephalopod?

• snail
• slug
• oyster
• octopus

This belongs in the _______ phylum.

• annelida
• echinodermata
• arthropoda
• cnidaria

Tags

NGSS.MS-LS4-2

These are ___________.

• bivalves
• univalves
• cephalopods
• gastropods

Tags

NGSS.MS-LS4-2

Echinoderms have the ability to regenerate body parts.

• False
• True