Across
- 2. are animals without backbones
- 5. movement from one place to another
- 6. process where plants make food
- 8. sleeping for a long time to conserve energy
- 11. ability to duplicate
- 12. mushroom is an example
- 15. copying the appearance of another animal
- 17. body temperature never changes
- 18. reaction to changes in the environment
- 20. breathe with lungs and born babies alive
- 21. have gills and scales
Down
- 1. use sunlight to make food
- 3. body temperature changes with environment
- 4. frogs and salamanders are examples
- 7. have backbones
- 9. single celled eukaryotic organisms
- 10. breathe with lungs and lay eggs
- 13. organisms increase in size
- 14. have wings and feathers
- 16. any change in the environment
- 19. blending with the environment