The animal kingdom

Fish
-Lives in water
-breathe with gills
-moist skin covered scales


Amphibian
-Moist scale
-lays an egg in water
-larvae breathe with their gills

Reptile
-Dry scaly skin
-Lay eggs
-Breathe with lugs

Bird
-Covered in feathers
-lay eggs with hard shells
-have wings

Mammal
-Body covered in hair or fur
-Feed young on milk
-warm-blooded

True worms
-body is tubular
-tube-like digestive system'

Flatworm
-breathe
-unsegmented body.

Sponges
-Take in water through pores


Cnidarians
-Hollow body
-live in water

Molluscs
-most live in the sea
-most have shells
-unsegmented body

Echinoderms
-skeleton made of five plates
-tube feet
-live in the sea

Arthropods
*Crustaceans
-most are aquatic
-body divided into three parts
-most breathe with gills


*Myriapods
-Many pairs of legs
-single pair
-simple eyes

*Insects
-Body divided into 3 parts
-three pairs of legs and 2 pairs of wings
-One pair of antennae

*Arachnids
-Body divided into two parts
-Two pairs of legs and wings
-no antennae