Ecosystems and the Planet Earth

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Across
  1. 1. animals and fungi that break down carcasses
  2. 4. molten rock from the center of the earth
  3. 7. relating to life, living things
  4. 9. the breaking down of rocks over time by precipitation or general external factors
  5. 11. the adaptations of species over time to their environment
  6. 14. water held underneath the earth in natural resevoirs
  7. 15. plants using sunlight to take in CO2 and water, making glucose
  8. 16. growth of wildlife after life was wiped from the area
  9. 17. an organism that uses the Sun's energy
  10. 18. the spice of life on Earth, the variety of plants and animals in an ecosystem
  11. 23. the use of scientific methods to remove pollution from the environment
  12. 26. renewable organic material that is an alternative for firewood
  13. 27. animals _______ too much for too long, exposing topsoil and damaging ecosystem roots
  14. 29. ecological relationship where one organism benefits and the other is unaffected/barely affected
  15. 30. all the land from a specific area that goes into a certain body of water
  16. 33. areas grouped together by common characteristics and species there (hint: Minecraft)
  17. 34. frozen layer of soil at Arctic tundra
  18. 36. the gradual loss of an environment's water and wildlife
  19. 37. combination of all ecosystems on earth, with all organisms there
  20. 38. the amount of organisms an ecosystem can hold without collapse
  21. 40. organisms that have a disproportionately large effect on their ecosystem relative to their abundance
  22. 41. the specific roles species take in ecosystems, with unique jobs
  23. 44. sticky brown residue from dead organisms that gives nutrients to plants
  24. 45. above the troposphere and below the mesopsphere
  25. 47. an organism that feeds on other organisms for sustenance
  26. 48. the process of two species benefitting each other, more specific to the same species
  27. 50. the first layer of soil where organic material mixes with mineral particles
Down
  1. 2. process of increasing quantity over time
  2. 3. wetland with trees, frogs and water bogs
  3. 5. the time it takes for a population to double in size with constant growth
  4. 6. the increase in living population/development of certain areas like cities and towns
  5. 8. models used to compare mortality between different species
  6. 10. autotrophic microscopic organisms that make at least 50 percent of Earth's oxygen
  7. 12. matter from previously living things that people use for energy
  8. 13. the shifting of warm water from the pacific ocean to the east
  9. 19. high humidity, precipitation, tropical or temperate
  10. 20. Ecological relationship in which both species benefit each other directly
  11. 21. lowest layer of the atmosphere air, the air we breathe
  12. 22. body of water where the river empties into the sea
  13. 24. all the food chains in an ecosystem
  14. 25. a group of species that interact in the same area
  15. 28. organisms introduced to a new environment, at times expanding past its range
  16. 31. (first word ecosystem)benefits ecosystems provide by existing, like thermal regulation or pest control
  17. 32. forest where trees cover less than 20 percent of the ground
  18. 35. a biome characterized by the salt absorbing trees and wet land (think Minecraft again)
  19. 39. layer of atmosphere above the stratosphere
  20. 42. the release of water from leaves during photosynthesis
  21. 43. treeless arctic/alpine biome characterized by cold, harsh winters
  22. 46. poisonous chemicals that kill cells
  23. 49. currents in a body of water that carry nutrients from bottom sediments toward the surface.