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