Food Chain Review

2. Level The position an organism occupies in a food chain or energy pyramid, determined by its feeding relationships.
4. Organisms that eat other organisms for energy.
5. An animal that hunts and kills other animals for food.
7. An animal that eats only other animals.
9. Consumer An organism that feeds on primary consumers.
10. An animal that is hunted and eaten by other animals.
13. Chain A series of organisms, each dependent on the next as a source of food.
14. An animal that eats only plants.
15. Predator A predator at the top of a food chain, not typically preyed upon by other animals in the ecosystem.

1. Consumer An organism that feeds directly on producers (plants).
3. Web A network of interconnected food chains showing the flow of energy through an ecosystem.
6. Consumer An organism that feeds on secondary consumers.
8. Organisms, like bacteria and fungi, that break down dead plants and animals into simpler substances, returning nutrients to the soil.
10. Organisms, usually plants, that make their own food through photosynthesis.
11. Pyramid A graphical representation of the trophic levels in an ecosystem, showing the flow of energy from one level to another.
12. An animal that eats both plants and animals.