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