1. Vertebrate, invertebrate

2. Animals have many cells and those cells form tissues and organs Animals consume other organisms to get the nutrients and energy they need Animals need oxygen to breathe

3. An animal without a backbone Have mouths Have simple digestive systems Have radial symmetry

4. Starfish Sea Urchin Sea Cucumber They have spiny skin and use sucker-like parts to catch prey

5. lobsters crabs spiders insects Body parts with moveable joints Surrounded by an exoskeleton Have bilateral symmetry

6. 2 3 1 Bilateral symmetry Simple organ systems Earthworms and other similar worms have heads, so they have only one line of symmetry. This means that they have bilateral symmetry.

7. Fish use their gills to take oxygen from the water Frogs toads Salamanders newts Amphibians need water to reproduce

8. snakes turtles alligators Soft outer coating Would dry out on land Tough outer coating Eggs won’t dry out

9. Feathers Most birds can fly, so they can travel farther than many other types of animals

10. What it eats

11. phylum class order family genus species

12. birdreptilemammalamphibians birdsreptilesmammals amphibiansfish chordata