Across
- 4. eat both plants and meat
- 6. Carbon trapped for a long time in rock
- 7. plant sweat
- 8. replacement of a community over time.
- 13. the way individuals of the population are arranged
- 16. make their own food (producers)
- 17. Organisms 1st organisms
- 19. plants or animals
- 20. both benefit from the relationship
Down
- 1. eat plants
- 2. "J-Curve" Constant growth rate
- 3. study of relationships between organisms
- 5. determines the amount of energy in trophic levels
- 9. two species going after a scarce resource
- 10. major geographical grouping of similar ecosystems
- 11. gas to liquid
- 12. where all living things exist
- 13. all members of a species living in a given location
- 14. the role of a species in an ecosystem
- 15. burning of fossil fuels
- 18. light, temperature, soil, weather