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.
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.