Jesús San Frutos y Marek

Cicirko CURSO: 1ºE

1.1.- They have a highly developed brain.- They have a highly developed brain. - They have a skeleton.- They have a skeleton.

- They have an advanced nervous system.- They have an advanced nervous system.- They have a higly developed nervous - They have a higly developed nervous

system and internal skeletons of system and internal skeletons of vertebrates make them adaptable to vertebrates make them adaptable to land,sea and air.land,sea and air.

2.2.-Most vertebrates can move and are -Most vertebrates can move and are

heterotrophic.heterotrophic.- They have a respiratory system.- They have a respiratory system.

- They have an outer covering.- They have an outer covering.

3.3.

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

MAMMALS

CHARACTERISTICS:1. Some mammals live in water.

2. They have lungs.

3. Most have hair and fur.

4. Most give birth to live babies.

5. Their mother produce milk to feed her babies.

6. They have a constant body temperature.

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

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

CHARACTERISTICS:

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

CHARACTERISTICS:

5. Their mother produce milk to feed her babies.

• For example:• Dog.• Pig.

CHARACTERISTICS:

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

LAURA VALLE AND SARA DE FRUTOS Curso: 1º D