Across
- 2. smallest unit of life
- 4. change in an organism's environment that causes a response
- 6. made of one cell
- 8. living parts of the environment
- 9. organism that cannot make its own food
- 11. something that has all the characteristics of life
- 12. mistaken idea that living things come from nonliving things
Down
- 1. change that occurs during an organism's lifetime to make it more complex
- 3. organism that makes its own food
- 5. made of many cells
- 7. nonliving parts of the environment
- 10. ability to maintain a steady internal condition