1. The following animals have back bone except
2. Omnivores feed on -----
3. One of these is a feature of aquatic organisms
4. Animals that live both on land and water is called-------
5. The period that marks the begining of sexual maturation is -----
6. All these are ruminants except ---
7. Animals that give birth to their young by laying eggs are called
9. One of these is a non- ruminant
10. A stage / period that marks the end of childhood and the begining of adulthood is referred as -------
(b)State two features the following