ECOLOGY

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Across
  1. 2. large regions such as forest, desert, and grasslands with distinct climates and certain species adapted to them.
  2. 3. species occupy narrow niche
  3. 7. surrounded by membrane and has a distinct nucleus
  4. 9. species way of life
  5. 11. efficiency percent of usable chemical energy transferred as biomass.
  6. 12. using a resource over and over in the same form
  7. 13. can convert simple organic compounds from their environment into ore complex nutrient compounds
  8. 15. species plays a major role in shaping communities by creating and enhancing their habitat in ways benefit other species.
  9. 16. species species that are found in only one area.
  10. 17. is also surrounded by a membrane but it has no distinct nucleus and no other internal parts surrounded by membrane
  11. 18. consist of the earths air, water and soil where life is formed.
  12. 19. extinction species have disappeared at low rate
  13. 21. the amount or mass of living organic material
  14. 23. an entire species cease to exists
  15. 24. temporary storage sites
  16. 26. species another term for non- native species
  17. 28. diversity population vary slightly in their genetic make-up
  18. 29. web complex network of interconnected food chain
Down
  1. 1. evolution the process whereby earths life changes overtime through changes in the genes population
  2. 4. – everything around us includes living and non-living things.
  3. 5. random changes in the structure or number of DNA molecule in a cell that can be inherited by the offspring’s
  4. 6. group of individuals of the same species that live in the same place at the same time.
  5. 8. species have a large effect on the types and abundance of other species
  6. 10. make the nutrient they need from compounds and energy obtained from the environment
  7. 14. natural selection that can lead to natural selection
  8. 20. the natural force that tends to cause physical things to move towards each other.
  9. 22. species have a broad niche
  10. 25. diversity the number of different species it contains combined with the relative abundance within those species
  11. 27. the biological that studies how organism interact with their environment.