MAMMALS

1. Jesús San Frutos y Marek
Cicirko
CURSO: 1ºE

2. 1.
- They have a highly developed brain.
- They have a skeleton.
- They have an advanced nervous system.
- They have a higly developed nervous
system and internal skeletons of
vertebrates make them adaptable to
land,sea and air.

3. 2.
-Most vertebrates can move and are
heterotrophic.
- They have a respiratory system.
- They have an outer covering.

4. 3.
- They have a biteral symmetry plam.
- Vertebrates are only 2%.
- Human beings are vertebrates.

5. MAMMALS

6. CHARACTERISTICS:
1.
2.
3.
4.
5.
6.
Some mammals live in water.
They have lungs.
Most have hair and fur.
Most give birth to live babies.
Their mother produce milk to feed her babies.
They have a constant body temperature.

7. CHARACTERISTICS:
1. Some mammals live in water.
For expample:
–Dolphin.
–Whale.

8. CHARACTERISTICS:
2. They have lungs.
For example:
–Elephant.
–Cat.

9. CHARACTERISTICS:
4. Most give birth to live babies.
For example:
• Elephant.
• Chimpanzee.

10. CHARACTERISTICS:
5. Their mother produce milk to feed her
babies.
• For example:
• Dog.
• Pig.

11. CHARACTERISTICS:
6. They have a constant body temperature.
For example:
• Dog.
• Bear.

12. LAURA VALLE AND SARA DE FRUTOS
Curso: 1º D