Ecology

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Across
  1. 1. An organism that feeds on dead plants and animals, or animal waste.
  2. 5. An animal that eats plants
  3. 8. (food) pyramid, A diagram that shows the relative amounts of a specific component at the different trophic levels of an ecosystem.
  4. 12. web, The feeding relationships between organisms in the same community
  5. 13. An organism that gets its food by eating other organisms; and animals
  6. 16. An organism (such as fungi/bacteria) that lives and feeds on dead and decaying plant and animal matter
  7. 19. The mixture of gases surrounding the earth and other planets
  8. 21. An animal that eats animals
  9. 22. A living component of an ecosystem (plants, animals)
  10. 23. Organisms of the same species living together in a particular habitat
  11. 24. chain, A network or arrangement of organisms in line to their predation order
  12. 26. Organisms that feed off other animals and plants for energy
  13. 27. The mass of a living organism
  14. 28. A living thing that can function on its own, such as animals and plants
  15. 29. An organism that serves as a primary producer in a food chain
  16. 30. The community of organisms and their environment in an area that interact together
Down
  1. 2. Physical, chemical and biotic factors interacting with an organism to determine its form and survival
  2. 3. One of the four inner or terrestrial planets of the solar system
  3. 4. levels, A feeding level in a food chain or food web, e.g. producer, primary consumer
  4. 6. fuel, Fuel formed from organic material, such as peat, coal and oil
  5. 7. The destruction of large areas of forest and woodland
  6. 9. Animals that eat both plants and animals
  7. 10. An organism that produces its own food; for example, plants using energy transferred from light in photosynthesis to produce glucose
  8. 11. A group of organisms that share many features and can interbreed to produce to produce fertile offspring
  9. 14. Burning, such as that of fossil fuels
  10. 15. Non-living physical and chemical factors in the environment which affect ecosystems
  11. 17. The amount of water on the planet (such as underground, on the surface and in the atmosphere)
  12. 18. A part of the Earth in which living organisms exist
  13. 20. The study of organisms and their environment
  14. 25. All the organisms that live in the same habitat