Review 1

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