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seif lesson 4
| Term | Definition |
|---|---|
| Producer | an organism that makes its own food |
| Food chain | a sequence of connected producers and consumers |
| Consumer | an organism that eats other organisms |
| Food web | a group of connected food chains in an ecosystem |
| Energy pyramid | a diagram that shows that energy is lost at each level in a food chain |
| Herbivore | an animal that eats only plants and it's considered as a primary consumer, like rabbits |
| Carnivore | it is a meat-eating animal and it's considered as a secondary consumer, like weasels |
| Omnivore | it is consumers that are both plant-eating and meat-eating, like humans |
| Scavengers | organisms that eat remains of dead animal, like vultures |
| Decomposers | they are consumers that break down plant and animal wastes and return the nutrients in them to the soil, like bacteria and fungi |