ECOLOGY

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Across
  1. 1. A complex of community that extends over a large geographical area.
  2. 5. A symbiotic relationship in which one organism benefits but the other is neither helps or harmed.
  3. 7. Organism that get energy through decomposition
  4. 8. The interconnected feeding relationships in an ecosystem.
  5. 10. The narrow top layer of an ocean or lake, where light penetrates sufficiently for photosynthesis to occur.
  6. 12. Animal that feed on dead organic matter
  7. 14. The pathway along which food energy is transferred from tropic level to tropic level, beginning with producer.
  8. 17. An organism that obtains organic food molecules without eating other organisms or substances derives from other organism
  9. 19. The deepest zone of a large lake, located below the level of penetration by sunlight..
  10. 20. Dead organic matter.
  11. 21. The entire portion of earth inhabited by life; the sun of all the planet’s ecosystems.
  12. 23. An interaction between species in which one species eats the other.
  13. 24. The study of how the organism interact with each other and their environment
  14. 26. Pertaining to living organisms in the environment.
Down
  1. 2. A symbiotic relationship in which both participants benefit.
  2. 3. ____________Zone: in a lake, the well-lit, open surface waters farther from shore.
  3. 4. Carnivores that eat Herbivore
  4. 6. Non-living, referring to physical and chemical properties of an environment
  5. 9. The bottom surface of an aquatic environment.
  6. 11. The interaction among two or more individuals that attempt to use the same essential resources.
  7. 13. A group of organisms of different species that live together in the same habitat.
  8. 15. A group of organisms of the same species that live in the same habitat.
  9. 16. All the organisms in a given area as well as the abiotic factors with which they interact; one or more communities and the physical environment around them.
  10. 18. _____________ Zone: in a lake, a shallow, well-lit water close to shore.
  11. 22. The natural environment or place where an organism, population or species live.
  12. 25. the status and the role of an organism in its environment