Ecology - Lyla Nash

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Across
  1. 3. when the amount of toxin increases the higher up on the food chain an organism is
  2. 5. non-native species that takes over environment
  3. 6. organism that connot make its own food
  4. 8. relationship in which both benefit
  5. 10. relatively sudden, global decrease in diversity of life forms
Down
  1. 1. relationship in which one benefits and the other is not affected
  2. 2. relationship in which one benefots and the other is harmed
  3. 4. term for each step in the transfer of energy and matter within a food web
  4. 7. all members of a particulr species that live in one area
  5. 9. organism that uses energy to produce its own food