Across
- 5. one organism benefits at the others expense
- 6. organisms that obtain energy from the sun
- 9. one organism benefits and the other is unaffected
- 10. cycle where plants contribute through transpiration
- 12. model representing many interconnected food chains
- 14. type of growth model represented by carrying capacity
- 16. only cycle that does not contain the atmosphere
- 17. type of succession that takes place after a fire
- 18. any factor that restricts the number of an organism
Down
- 1. species that is changing conditions on earth by its activities
- 2. a thin layer around Earth that supports life
- 3. type of succession that does not have any topsoil
- 4. organism that must eat to obtain energy
- 7. a single species that share the same location
- 8. the variety of life in an area determined by the # of species
- 11. large group of ecosystems that share same climate
- 13. living factors in an organism’s environment
- 15. a group of interacting populations that share the same area
- 19. role or position of an organism in its environment
- 20. nonliving factors in an organism’s environment