• They have a highly developed brain.

• They have a developed skeleton.

• They have an advanced nervous system.

• They adaptable to land, sea and air.

• Most vertebrates can move.

• They have a respiratory system.

• They have a bilateral symmetry plan.

• Vertebrates are only 2% of the animal species.

• Vertebrates are heterotrophic.

• Humans are vertebrates.

• Mammals are viviparous.

• They possess hair in all parts of their bodies.

• Mammals have developed nervous and reproductive systems.

• They are considered the most advanced members of the animal kingdom.

Mammals

• They are warm-blooded and their body temperature is constant.

• Mammals are fundamentally similar in body structure.

• Most Mammals live on land.

• Most Mammals have four legs and ears that stick out.

land

Four legs

Ears that stick out

• They have lungs and they need air to breathe.

• Mammal mothers feed their young babies with milk.