Chapter 4 Review

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Across
  1. 6. Biome that we live in and is characterized by cold coasts and seasonal fires
  2. 7. decaying leaf litter found in forest biomes
  3. 8. The competitive ___ principle states that no two species can occupy a single niche at the same time as one will outcompete the other.
  4. 9. category of trees that have thin needle like leaves that do not fall off
  5. 13. condition in taiga biomes in which soil becomes frozen and unusable
  6. 14. Final Stable Community after a large ecological disturbance
  7. 15. category of trees that lose their leaves in winter
  8. 16. Competition that is between species and decreases species fitness
  9. 18. aquatic zone in which kelp forests and coral reefs are established
  10. 21. main difference between lakes and ponds
  11. 23. First species to occupy during succession
  12. 24. Species that are responsible for shaping ecosystems and contribute to other species wellbeing
  13. 27. H2O, CO2 and Methane are ___ gasses
  14. 28. Type of succession that occurs after a forest fire
  15. 29. The main difference between an ecosystem and biome are temperature and ___
  16. 30. aquatic biome where salt and freshwater meet
  17. 32. ___ bacteria are primary producers found in the aphotic benthic zone.
  18. 34. Tropical rainforests have a high rate of precipitation and ___ through plants.
  19. 36. category of tree that are cone-bearing
Down
  1. 1. photosynthetic bacteria
  2. 2. Climate zone between 60N and 90N as well as 60S and 90S
  3. 3. Type of succession where soil is not present
  4. 4. Climate zone between the 30N and 30S latitude lines
  5. 5. the two variables on a climate graph show annual ___ and precipitation
  6. 6. Symbiosis in which one organism benefits and the other is unaffected
  7. 10. Symbiosis in which both organisms benefit each other
  8. 11. The cleaning of a land to plant a single species for commercial use is…
  9. 12. The average weather conditions of Earth’s atmosphere are referred to as…
  10. 17. amount of salt in an aquatic biome
  11. 19. ___ eat are non-photosynthetic plankton that depend on other organisms for energy
  12. 20. Competition that is within species and increases species fitness
  13. 22. aquatic zone in which there are periodic high and low tides
  14. 23. photosynthetic plankton
  15. 25. Climate zone between 30N and 60N as well as 30S and 60S
  16. 26. Symbiosis in which one organism feeds off a host organism
  17. 31. animals that are sedentary and lay on the bottom of the ocean lie in this zone
  18. 33. Prevalent in swamps but not marshes
  19. 35. as we get further away from the coast we get less biodiversity because of less nutrient ___