Across
- 1. Succesion Colonization of new sites by communities of organisms
- 5. any type of falling water
- 6. A relationship where one species benefits while the other is not harmed
- 9. Cycle Where Carbon is exchanged among the air
- 11. The process where plants use sunlight to synthesize food from carbon dioxide and water
- 12. An organism that breaks down organic material
- 14. Growth When the size of a population grows steadily
- 15. Chain Shows how every living thing gets food
- 17. Absence of life
- 18. Organisms that synthesize their own food.
Down
- 2. When two organisms cannot survive without each other
- 3. A relationship where the predator feeds on another organism known as the prey
- 4. Species A species that is not native to the organism
- 7. Cycle Nitrogen is converted into various chemical forms as it circulates among the atmosphere and ecosystem
- 8. Succesion A process started by an event that reduces an established ecosystem
- 10. Living
- 13. Non-mutual relationship where the parasite benefits at the expense of the host.
- 16. An organism that feeds on or derived nourishment from decaying organic matter
- 19. Levels Each of several hierarchical levels in an ecosystem