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7.MS-LS2-4
| Term | Definition |
|---|---|
| invasive species | a non-native species (i.e. species who was introduced to an area either accidentally or purposefully) whose presence has negative affects on the area's native species |
| succession | the replacement of one type of community by another at a single place over a period of time |
| climax community | a community that has developed over time to become stable, diverse, and complex |
| biodiversity | the variety of species that live in an area |
| climax species | well-adapted, slow-growing producers that sometimes dominate a mature community |
| pioneer species | the first organisms to live in an area - help to begin the process of making soil (lichens, moss, bacteria, fungi) |
| lichen | an example of a pioneer species - secrete acid that breaks down rock to mix with their decaying remains to begin forming soil |
| environmental disruption | something (man-made or natural) that changes an environment |
| population shift | change in the number of organisms living in a certain area |
| deforestation | the action of clearing a wide area of trees. |
| primary succession | succession that occurs on surfaces where no soil exists |
| secondary succession | reestablishment of a damaged ecosystem in an area where the soil was left intact |
| man-made disruption | a disruption to an ecosystem caused by humans (examples: man-made wildfires, deforestation) |
| natural disruption | Events in nature that occur naturally -volcanic eruptions - naturally occurring forest fires -landslides and earthquakes |
Created by:
shaveet
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