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2. are any kind of green plant.
4. A food web consists of all the food chains in a single ecosystem.
8. An animal that feeds on flesh.
12. a device or installation that is used to break down a chemical substance.

1. an animal that feeds on plants.
3. is a category that belongs within the food chain of an ecosystem.
5. an animal or person that eats food of both plant and animal origin.
6. A biotic factor is a living organism that shapes its environment.
7. animal that is hunted and killed by another for food
9. An abiotic factor is a non-living part of an ecosystem that shapes its environment.
10. an animal that naturally preys on others.
11. a hierarchical series of organisms each dependent on the next as a source of food.