click below
click below
Normal Size Small Size show me how
Chapter 3
Key Vocabulary
Term | Definition |
---|---|
ecosystem | The living and nonliving things in an environment and all their interactions. |
habitat | The home of an organism. |
population | All of the members of a single type of organism in an ecosystem. |
community | All the populations in an ecosystem. |
producer | An organism such as a plant that makes food. |
consumer | An organisms that cannot make its own food. |
herbivore | Animals that eat only producers. |
carnivore | Animals that eat herbivores and omnivores. |
omnivore | Animals that eat producers and consumers. |
decomposer | An organism that breaks down wastes and the remains of other organisms into simpler substances. |
food chain | The path that energy takes from one organism to another in the form of food. |
food web | The food chains that overlap in an ecosystem. |
energy pyramid | a diagram that shows how energy is used in an ecosystem |
predator | A carnivore that hunts for its food. |
prey | Organism that gets hunted by predators. |