Across
- 4. animals that have an internal skeleton
- 6. what plants breathe in
- 10. a cold blooded, oviparous animal that has scales
- 11. a small oval object produced by a plant to make a new plant
- 12. a warm blooded, viviparous animal
Down
- 1. animals that don't have an internal skeleton
- 2. the part of the plant under the ground
- 3. a warm blooded, oviparous animal that has feathers
- 5. the part of the plant above ground that provides support
- 7. a cold blooded, oviparous animal that has smooth skin
- 8. what humans breathe in
- 9. a cold blooded, oviparous animal that lives only in the water
