Learning Task # 3 ECO PUZZLE

ACROSS
1. a diagram that compares energy use among trophic levels
3. level of nourishment in a food chain
6. movement of a particular chemical through the living and non living parts of an ecosystem
7. all of the organism as well as the abiotic factors in the given area
8. the variety of living things in an ecosystem
10. a major regional of global community of organisms

DOWN
2. the process by which gascous nitrogen is converted into ammonia
4. ditritivour that breaks down organic matter into simpler compounds
5. a consumer that primarily eat ones specific organism
6. the measure of the total dry mass of organisms in a given area
7. the study of the interactions among living things,and between living things that their surroundings.

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