Across
- 3. a relationship in which both organisms benefit
- 6. the process which passes water through the xylem
- 7. something trees release
- 9. plants make this and use it for energy
- 12. an animal or plant that supports a parasite
- 15. roots that are intertwined with fungi
- 16. when nitrogen is altered for organisms to use
- 17. the process of using CO2 and releasing O2
- 18. the tube that water passes through in a plant
- 19. things enter into a plant through this
- 20. porous and allows nutirents to pass through to the plant
Down
- 1. a relationship where one organism is hurt and one benefits
- 2. when trees get energy and provide things for other organisms
- 4. any relationship between species
- 5. something trees take in
- 8. helps provide surface area for water to pass through
- 10. green disc like cells of a plant
- 11. getting water throughout the whole plant
- 13. the number of individuals an ecosystem can support at once
- 14. large geographic areas with similar climates