Review 1
Across
- 4. Live on land and in water, have moist skin and lay eggs in gelatinous masses
- 6. _____ thing: it must be made of cells, grow and develop, use energy, reproduce and adapt.
- 7. They have a skeletal structure with a spinal column or backbone
- 10. Live on land and in water, have scales and dry skin. Most of them lay eggs with a protective shell
Down
- 1. ______ thing: anything that was never alive.
- 2. The babies drink milk from their mothers.
- 3. They have no backbone or internal skeleton
- 5. Cold-blooded; have bodies in 3 parts, wings and lay eggs
- 8. Warm-blooded animals that have feathers and wings
- 9. Cold-blooded animals that live in water