ECOLOGY

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