Biology Ecology Terms Nicolas Conner

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