Vocabulary Review - Ecology

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Across
  1. 1. The maximum number of organisms that can survive in a particular ecosystem
  2. 3. The layers in a soil profile are called ___
  3. 4. When two or more organisms need the same resource at the same time.
  4. 6. All of the individuals of a given species in a specific area at a certain time.
  5. 8. An organism that makes their own food with photosynthesis.
  6. 10. An organism that breaks down dead organisms and waste for energy.
  7. 12. All the different populations in a specific area at a certain time.
  8. 13. Indicates the position that the organism occupies in a food web.
  9. 15. When one species (predator) hunts, kills, and eats the other (prey).
  10. 16. Ecosystems grouped together according to the climate and vegetation.
  11. 18. The smallest soil particle; this type of soil is the least permeable.
  12. 19. Any non-native species that has a negative impact on the environment.
  13. 22. Anything that prevents a population from growing larger.
  14. 23. The role of an organism in its environment
  15. 26. In this type of symbiosis both organisms benefit.
  16. 28. This is what we call a living part of an environment.
  17. 31. The medium sized soil particle; this type of soil has a medium permeability.
  18. 32. This shows interconnecting food chains in a particular ecosystem using pictures and words and arrows.
Down
  1. 2. A measure of how freely water flows through the soil.
  2. 5. An organism that eats other organisms to obtain energy.
  3. 7. In this type of symbiosis one organism benefits and the other organism is not affected.
  4. 9. Pyramid This is a graphical representation of the energy flow in an ecosystem.
  5. 11. This is what we call a nonliving part of an environment.
  6. 14. Decayed organic matter in the soil.
  7. 17. When organisms move in from another environment
  8. 20. In this type of symbiosis one organism benefits and the other organism is harmed
  9. 21. A type of soil that is a mixture of sand, silt, and clay.
  10. 24. When part of the population leaves (exits) the environment
  11. 25. One or more communities in an area and the abiotic factors, including water, sunlight, oxygen, temperature, and soil.
  12. 27. This type of fertilizer changes soil pH and makes the nutrients more accessible.
  13. 29. A mixture of Rock particles, Minerals, Humus, Air, and Water
  14. 30. The largest soil particle; this type of soil is the most permeable.