Ecology Vocab Review

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Across
  1. 5. A natural unit consisting of all the living organisms in an area functioning together with all the nonliving physical factors of the environment
  2. 9. An organism that has the ability to create their own food
  3. 10. The maximum number of individuals in a population that an ecosystem or habitat can support without damaging it
  4. 11. Species that have a broader niche
  5. 13. The amount of different living organisms
  6. 14. One species benefits from the relationship which the other gains nothing but is not harmed
  7. 16. A series of organisms which pass energy from one trophic level to the next
  8. 17. When a change at the top of the food chain works its way down to lower trophic levels and eventually changes the balance in the relationships between numerous species
  9. 18. An organism that breaks down remains and wastes from other organisms to recycle inorganic materials back to the producers
  10. 19. The living organisms in the environment
  11. 21. The areas of Earth where all organisms live
  12. 23. The total number of species living in a defined area and interact with each other
  13. 26. Most basic level of ecological organization
  14. 27. species A species that plays an especially important role in its community
  15. 28. One species benefits and one species is harmed
Down
  1. 1. States that only 10% of energy at one trophic level is passed to the next trophic level
  2. 2. An organism that must obtain their energy through eating food
  3. 3. Members of the same species compete for the same limited resources
  4. 4. Species that have a very particular niche, can sometimes be hard to find
  5. 6. The different feeding positions in a food chain or web
  6. 7. The non-living physical aspects of the environment; includes sunlight, soil, temperature, wind, water, and air
  7. 8. Competition between different species competing for the same ecological resource
  8. 12. Both organisms benefit from the relationship
  9. 15. The study of organisms and their relationships with each other and their interactions in the environment
  10. 20. Populations of different species that live in the same area and interact with each other
  11. 22. The physical environment to which an organism has become adapted to survive
  12. 24. The role an organism plays in its ecosystem
  13. 25. A set of ecosystems sharing similar characteristics