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7th grade Science
7th grade Ecological Succession
| Question | Answer |
|---|---|
| mining, clearing forest, building structures | human caused disturbances |
| succession where there is no soil | primary |
| succession where there is existing soil | secondary |
| factor that slows or prevents a population size from growing | limiting |
| species that lowers the biodiversity , uses up natural resources and outcompetes native species | invasive species |
| species found at the end of succession and will remain until the next disturbance | climax species |
| anything that causes the process of succession | disturbance |
| wildfire, volcanic eruption, avalanche, hurricane | natural disturbances |
| limiting factor that do depend on size of population ex. disease | density-dependent |
| limiting factor that does NOT depend on population size ex. natural disaster | density-independent |
| the max amount of individuals of a species an ecosystem can support | carrying capacity |
| the first species to come to an area; primary purpose is soil building | pioneering |
| these will eventually replace lichens | mosses, shrubs, and trees |
Created by:
kimbetcher
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