ECOLOGY

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