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NEW ECO 4
| Term | Definition |
|---|---|
| succession | the series of predictable changes that occur in a community over time |
| primary succession | the series of changes that occur in an area where no soil or organisms exist |
| pioneer species | the first species to populate an area |
| secondary succession | the series of changes that occur in an area where the ecosystem has been disturbed, but where soil and organisms still exist |
| producer | an organism that can make its own food |
| consumer | an organism that obtains energy by feeding on other organisms |
| herbivore | a consumer that eats only plants |
| carnivore | a consumer that eats only animals |
| omnivore | a consumer that eats both plants and animals |
| scavenger | a carnivore that feeds on the bodies of dead organisms |