Animals

1. Insects

1.1. Small air breathing animals

1.2. 2 antennae

1.3. 3 body sections

1.4. 1. Head 2. Thorax 3. Abdomen

2. Reptiles

2.1. Body covered by scales

2.2. Cold blooded

2.3. Have a backbone

2.4. Mostly lay hardshell eggs on land

3. Birds

3.1. Body covered by feathers

3.2. Warm blooded

3.3. Have a backbone

3.4. Lay eggs

4. Mammals

4.1. Body covered by hair or fur

4.2. Warm Blooded

4.3. Have a backbone

4.4. Produce milk