Across
- 3. study of living things
- 4. living thing
- 9. producer, primary, secondary, tertiary
- 11. 3rd trophiv level
- 12. end of a food web that regenerates nutrients
- 13. alive/dead
- 14. something eats this
Down
- 1. produces their own food
- 2. never was alive (rock)
- 5. can make their own food
- 6. community of living organisms.
- 7. something that preys on another.
- 8. can't make their own food
- 10. decreases when transferring from each organism.