Across
- 3. branch of biology that studies plants
- 5. rain does when it falls
- 6. the powerhouse of the cell
- 11. part of the nitrogen cycle
- 13. a type of bacteria
- 14. to get used to new circumstances
- 15. when one organism benefits from another by harming it
- 16. an ecological community
- 19. when both organisms benefit from a relationship
- 20. the levels of consumers and producers
- 21. property of water when it adheres
Down
- 1. a thread of DNA that carries genes
- 2. property of water that sticks together
- 4. non-living, not biological
- 7. when a substance permeates another
- 8. where species live
- 9. when an organism creates a chemical compound
- 10. when one organism benefits from another without harming it
- 12. the way the body works
- 17. a microscopic organism
- 18. needed to create dna