| A | B |
|---|
| adaptation | a trait that makes an organism well-suited to its environment |
| natural selection | organisms of a species survive and reproduce because they can adapt to their environment |
| extinct | When every member of a species dies |
| resource | something an organism needs to live |
| niche | the way an organism lives, including the things it needs and how it uses them |
| compete | organisms try to get resources also needed by other organisms |
| population | many organisms of the same kind living in the same place |
| predator | an organism that captures animals for food |
| prey | an animal that predators eat |
| community | all the living things in a certain area |
| habitat | a place where a species normally lives |
| immigration | moving into a community |
| succession | the process of slow, gradual change in a community |
| producers | an organism that makes its own food (example:plant) |
| consumer | an animal that eats food |
| herbivore | an organism that eats only plants (example: rabbit) |
| carnivore | an organism that eats only animals (example: lion) |
| decomposer | an organism that causes the decay or break-down of dead animals (example: bacteria,fungi) |
| scavengers | animals that feed on dead animals (example: vultures) |
| food chain | the feeding order in a community |
