Across
- 1. a living thing on which another living thing lives
- 4. very important
- 9. any living thing
- 10. the ability to resist a disease
- 11. having no power to act or move
- 14. to produce offspring
- 15. one of many small celestial bodies that orbit the sun
- 19. people who work to protect wildlife and the environment
- 20. signs of a disease
- 23. thin layers of tissue that cover or line certain organs
- 25. animals that have no backbones
- 26. living things that hunt other living things for food
- 30. the act of coming to helpvery important
- 31. groups of cells that are somewhat alike
- 32. - people who hunt or fish illegally
- 34. members of the cat family
Down
- 1. a place where an animal or plant is normally found
- 2. substances used for the prevention of diseases
- 3. - to control
- 5. - brought back to their original condition
- 6. of the blood
- 7. group of medicines that destroy bacteria
- 8. any living thing that is hunted by another living thing for food
- 12. the destruction of trees and forests
- 13. scientists who study fossils of plants and animals
- 16. the hardened remains of a plant or animal
- 17. tiniest of living things
- 18. a group of living things that are alike in certain ways
- 21. came in to change a situation
- 22. foods
- 24. ability to ward off someone or something
- 27. process in which change takes place
- 28. tiny organisms that change form
- 29. no longer living
- 33. a covering of trees overhead
