This document discusses mammals and some of their key characteristics. Mammals are viviparous, meaning they give live birth to young which they nourish with milk from mammary glands. They have the ability to walk on land and breathe air through lungs. The document was created by Noah and Cristina.

1. ANIMALS
CLASSIFICATION

2. MAMMALS

3. They are Viviparous

4. They can walk

5. They breath with lungs

6. Bye-bye
Noah AND Cristina

7. Bye-bye
Noah AND Cristina