Vertebrate, invertebrate

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

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

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

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

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.

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

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

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

What it eats

phylum class order family genus species

birdreptilemammalamphibians birdsreptilesmammals amphibiansfish chordata