Review 1
Across
- 4. live on land and in water, have mois 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