Across
- 4. pass on their traits to the next generation
- 6. ability to do work
- 8. something that causes a reaction
- 9. all living things are made of theses ( basic unit of structure)
- 11. relating to or resulting from living things
Down
- 1. maintaining a constant internal environment
- 2. where people get their energy from
- 3. the number of basic characteristics of most living things
- 5. another word for living thing
- 7. where plants get their energy
- 10. not living or derived from living things