Unit 1

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Across
  1. 3. cycle, Also known as the hydrologic cycle.
  2. 5. chain, A linear network of links in a food web starting from producer organisms and ending at an apex predator species, detritivores, or decomposer species.
  3. 8. biome, Land region on the earth's surface covered by biological communities that group under the same climatic patterns like rainfall and temperature.
  4. 9. Productivity, _____is the process by which organisms make their own food from inorganic sources.
Down
  1. 1. cycle, These steps make up what cycle(1)nitrogen fixation, (2)decay, (3) nitrification, and (4) denitrification.
  2. 2. cycle,_____moves in a cycle through rocks, water, soil and sediments and organisms.
  3. 4. biomes, Water both fresh and marine.
  4. 6. cycle, Which cycle is a biogeochemical cycle by which carbon is exchanged among the biosphere, pedosphere, geosphere, hydrosphere, and atmosphere of the Earth.
  5. 7. level, Several hierarchical levels in an ecosystem, comprising organisms that share the same function in the food chain and the same nutritional relationship to the primary sources of energy.