Matter Cycles Vocab Review

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Across
  1. 3. an organism that gets energy from eating plants or animals
  2. 5. an organism that uses sunlight to makes its own food for energy
  3. 6. a mixture of sand, silt, clay, rock, and humus (plant and animal remains)
  4. 7. an organism that breaks down the remains of the dead plants or animals without need for internal digestion
  5. 8. any unused and rejected materials that are seen as worthless or unwanted
Down
  1. 1. actions by one that have an effect on a different or separate thing
  2. 2. the space, conditions, and all the living and nonliving things around an organism
  3. 4. a very small life-form, especially a bacterium