click below
click below
Normal Size Small Size show me how
Chapter 4
Question | Answer |
---|---|
Ecosysytem | An area in which living things interact with one another and with nonliving things. |
Population | A group of organisms of the same species living together in an ecosystem. |
Community | All of the populations living in an ecosystem. |
Habitat | The part of an ecosystem in which an organism lives. |
Niche | An organism's role in an ecosystem. |
Diversity | A measure of the number and variety of of species in an ecosystem. |
Producer | An organisms 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 energy is lost at each level in the food chain. |
Competition | The struggle among organisms for limited resources. |
Symbiosis | A close relationship b tween organisms of different species in which one or both of the organisms benefit. |