Across
- 4. change that causes a response
- 5. reproduction needing two parents
- 8. quality or property that defines or classifies something
- 9. reaction to a change
- 12. seasonal movement of animals from one place to another and back
- 16. new organism produced by a living thing
- 17. process by which living things produce new organisms
- 18. process of getting rid of wastes
- 20. studying or working in only one part of a subject
- 21. chemical substance that is needed to carry out life processes
- 22. way in which living things respond to stimuli
- 23. process of keeping conditions inside a body constant, no matter the conditions outside the body
Down
- 1. process by which a cell releases energy from food molecules
- 2. generation idea that living things come from nonliving things
- 3. process of breaking down food so that it can be used by living things
- 6. process of moving nutrients and wastes in a living thing
- 7. any living thing
- 8. basic unit of structure and function in living things
- 10. reproduction needing only one parent
- 11. something produced in addition to the main product
- 13. process of taking in food
- 14. organism that cannot make its own food
- 15. organism that can make its own food
- 19. inactive state of some animals during winter months
