Biology Chapter 3

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Across
  1. 3. All the organisms that live in a place, together with their physical environment
  2. 4. Includes all the rocks, continents, and the ocean floor
  3. 5. Without it, Earth would be about 30 degrees Celsius cooler than it is today
  4. 7. Dark area below the photic zone in which photosynthesis cannot occur
  5. 8. The sunlit region near the surface in which photosynthesis can occur
  6. 9. Scientific study of interactions among organisms, populations, and communities and their interactions with the environment
  7. 10. 66.5-90 N/S Latitude
  8. 11. layer of permanently frozen subsoil
  9. 13. Ecologists classify the homes of organisms into roughly ten different regional climate communities called
  10. 15. is a wetland formed where a river meets the sea
  11. 17. consists of all Earth's fresh and salt water
  12. 18. Material formed from decaying leaves and other organic matter
  13. 19. 0-23.5 N/S Latitude
  14. 21. defined by patterns and averages of temperature, precipitation, clouds, and wind over many years
  15. 22. a group of similar species that can breed and produce offspring
Down
  1. 1. any non-living part of the environment
  2. 2. all the gasses that surround earth
  3. 4. Carbon dioxide, Methane, and Water Vapor
  4. 6. any living part of the environment
  5. 10. group of individuals that belong to the same species and live in the same area
  6. 12. 23.5-66.5 N/S Latitude
  7. 14. Short term changes in temperature and precipitation
  8. 16. includes all parts of Earth in which life exists
  9. 20. Assemblage of different populations that live together in a defined area