Invertebrates are animals that

• with a backbone

• without a backbone

An exoskeleton is a skeleton

• that is on the outside of a body

• that is on the inside of a body.

An endoskeleton is a skeleton

• that is on the outside of a body

• that is on the inside of a body.

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

• Mollusk
• Arthropod
• Echinoderm
• Cnidarian

Tags

NGSS.MS-LS4-1

NGSS.MS-LS4-2

A butterfly is a type of vertebrate.

• True

• False

I am an arachnid, have four pairs of legs, and a body with two sections.

• Echinoderm
• Arthropod
• Annelid
• Porifera

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

• Echinoderm
• Cnidarian
• Annelid
• Mollusk

I have spiny skin, water vascular system with tube feet, and a radial symmetry.  I am a sea anemone.

• Arthropod
• Cnidarian
• Echinoderm
• Mollusk

I have a hard exoskeleton, a segmented body, pairs of jointed appendages, and live on land and water. I am a crab. What group do I belong to?

• Mollusk

• Arthropod

• Echinoderm

• Cnidarian

I am spiny and have a water vascular system with tube feet.  I am a sea cucumber.

• Cnidarian
• Echinoderm
• Mollusk
• Annelid