Animals

1. Pets

1.1. Dog

1.2. Cat

1.2.1. These animals live in your house

1.3. Hamster

2. Lifestock

2.1. Cow

2.2. Horse

2.3. Chicken

3. Exotic (wild)

3.1. Lion

3.2. Elephant

3.2.1. You can see these animals at the zoo

3.3. Zebra

4. Marine life

4.1. Shark

4.2. Dolphin

4.3. Fish

5. Living things have physical traits and behaviors, which influence their survival