ECOLOGY

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Across
  1. 3. AN ENVIRONMENTAL FACTOR THAT IS NOT ALIVE, NEVER LIVED, NOT PART OF SOMETHING LIVING.
  2. 5. ONE SPECIES BENFITS, THE OTHER IS NEITHER HELPED NOR HARMED.
  3. 6. PROVIDES ENERGY FOR FOOD CHAINS.
  4. 7. THE THIRD CONSUMER IN A FOOD CHAIN.
Down
  1. 1. LIVING OR ONCE LIVING OR MADE BY SOMETHING THAT WAS ALIVE.
  2. 2. TYPE OF SOIL, MIX OF CLAY,SAND,AND SILT
  3. 4. ALL OF THE DIFFERENT POPULATIONS LIVING IN AN AREA.
  4. 5. AN ANIMAL THAT EATS ONLY OTHER ANIMALS.