Animal Structure and Function- Evin

The main bone made up of many small bones joined together. It runs along the middle of the back in some animals.

• Molt

• Exoskeleton

• No backbone

• Backbone

A ________ is an animal with a backbone.

• crab

• cat

• bird

• slug

Tags

NGSS.MS-LS4-2

A _________ is an animal without a backbone.

• starfish

• cat

• dog

• horse

A hard outer covering that supports and protects some animals without backbones.

• Backbone

• Exoskeleton

• Molt

• Endoskeleton

To shed an animals outer covering.

• Molt

• Backbone

• Exoskeleton

• No backbone

What two groups do scientists classify animals in?

Animals without backbones differ from one another by __________ and ____________.

• having molt and 8 legs

• having exoskeletons and 6 legs

• having some bones and 6 legs

• having exoskeletons and 8 legs

Spiders have ____ legs and insects have ____ legs.

• no, 6

• 8, no

• 6, 8

• 8, 6

Organs for breathing found in fish and amphibians.

• Mammals

• Gills

• Backbones

• Molts

Tags

NGSS.MS-LS4-2

A large group of animals with backbones that live part of their life in the water and part on land.

• Exoskeletons

• Reptiles

• Mammals

• Amphibians