Ecology Vocab

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Across
  1. 2. Ability of an animal to look like another more harmful animal
  2. 3. Succession ecological sucession begins in a lifeless area with no soil
  3. 4. an organism that needs to get its own food by eating another organism.
  4. 6. Community The final stage of succession. A stable community in an ecosystem that no longer goes through major ecological changes. It consists of dominant species of plants and animals.
  5. 7. Chain A series of steps in which organisms transfer energy by eating and being eaten.
  6. 9. The study of the relationships between organisms and their environment.
  7. 12. factor A non-living part of the environment.
  8. 14. The place an organism lives.
  9. 15. An organism that the feeds on the bodies of dead animals.
  10. 17. independent factors limiting factor that affects all populations in similar ways, regardless of population size
  11. 20. factors The resources that organisms need to survive. When unavailable these factors limit a populations' ability to grow/increase.
  12. 23. A close relationship between two organisms in which they both benefit/help each other
  13. 24. Includes all the air, land, and water where life exists.
  14. 26. dependent factors limiting factor that depends on population size
  15. 27. An organism that feeds on a living host
  16. 29. Web Consists of many overlapping food chains in an ecosystem.
  17. 30. An organism that can not make it's own food and must eat another organism.
  18. 31. Living organisms interacting with each other and their nonliving environment.
  19. 36. Capacity Largest number of individuals of a population that a environment can support
  20. 38. An animal that hunts other animals for food
  21. 39. An organism that makes it's own food, usually using sunlight by a process called photosynthesis.
  22. 40. Any feature an organism has to help it survive in its' environment.
  23. 44. growth Population growth that is unhindered because of the abundance of resources for an ever-increasing population.
  24. 45. is an organism's role (job) within its' community.
  25. 46. A large region that has a specific type of climate and certain types of plant and animal communities
Down
  1. 1. A close relationship between two organisms.
  2. 3. All the organism of one species living in a specific area.
  3. 5. Species A species that influences the survival of many other species in an ecosystem
  4. 8. A living thing.
  5. 10. All populations of different organisms living together in a specific area.
  6. 11. A gradual change in a community over time.
  7. 13. rate The number of births in a population in a certain amount of time.
  8. 16. A group of similar organisms that can breed and produce fertile offspring.
  9. 18. resources such as food, water or space become limited
  10. 19. factor A living part of the environment.
  11. 21. An organism that eats meat and plants
  12. 22. An organism that eats mostly plants
  13. 25. An organism that eats mostly meat
  14. 28. An organism that can make its own food, usually using sunlight by a process called photosynthesis.
  15. 32. growth Population growth that is controlled by limited resources
  16. 33. An organism on which a parasite lives.
  17. 34. A relationship between two organisms of different species where one benefits and the other is harmed
  18. 35. Succession life progresses where soil remains (clear-cut forest, fire, disturbed areas)
  19. 37. rate The number of deaths in a population in a certain amount of time.
  20. 41. An organism that eats the leftovers from decomposers
  21. 42. maggots, vultures and hyenas
  22. 43. An organism that decays dead matter and recycles its' nutrients back into the soil.