Across
- 3. the study of classifying groups of organisms
- 4. a system to group organisms based on characteristics
- 7. an organism that makes its own food through photosynthesis
- 9. the life process in which new individuals are created
- 10. an organism that eats other organisms for food
- 11. are animals without a backbone or skeleton
- 13. organisms use food and oxygen to make energy
- 16. a living individual
- 17. hard body covering on some invertebrates
- 19. a type of exoskeleton
- 20. organism meets all the requirements for life
- 21. all organisms increase in size
Down
- 1. all organisms remove waste from their bodies
- 2. single celled organism that could make you sick
- 5. another word for mushroom
- 6. all organisms are made from these
- 8. another word for food
- 10. a pair of feelers on an animals head
- 12. all organisms respond to changes in the environment
- 14. hooked structures on an animals legs
- 15. a life process
- 18. not an orgamism, does not meet requirements for life