| A | B |
|---|
| population | all the individuals of one species in an ecosystem |
| community | all the different populations in an ecosystem |
| ecosystem | one or more communities in an area (and the abiotic factors such as air and water) |
| biome | large geographic area with ecosystems determined by climate and vegetation |
| habitat | where an organism lives |
| niche | the role of an organism in its environment |
| food chain | uses words and arrows to show the movement of energy through trophic levels |
| trophic levels | the level of an organism in a food chain |
| consumer | an organism that gets its food from the environment |
| producer | an organism that can make its own food |
| herbivore | first level concumer |
| predator | second level consumer |
| food web | shows all the interconnecting food chains in an ecosystem |
| energy pyramid | shows the amount of energy that moves from one trophic level to another in a food chain |
| natural hazards | naturally occuring events that can damage an ecosystem |
| landslide | ground movement of rock or earth |
| wildfire | can be beneficial to an ecosystem |
| immigration | organisms move into an ecosystem |
| emigration | organisms leave an ecosystem |
| limiting factors | can limit the number of organisms an environment can support |
| carrying capacity | the maximum number of organisms that can survive in a particular ecosystem |
| climate | the average temperature and amount of rainfall in a particular environment |
