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Topic 4 Vocab
| Term | Definition |
|---|---|
| niche | the role of an organism in a habitat |
| competition | the struggle between organisms to survive as they use the same limited resources |
| predation | an interaction in which one organism kills another for food or nutrients |
| symbiosis | any relationship in which two organism live closely together |
| commensalism | a relationship in which one species benefits and the other species is neither helped nor harmed |
| mutualism | a relationship in which both species benefits |
| parasitism | a relationship that involves one organism living with, in, or on another organism and harming it |
| succession | a series of predictable changes that occur in a community over time |
| pioneer species | the first species to populate an area |
| biodiversity | the number and variety of different species in an area |
| keystone species | a species that influences the survival of many other species within an ecosystem |
| extinction | the disappearance of all members of a species from earth |
| invasive species | non-native species in an ecosystem |
| ecosystem services | the benefits humans receive from ecosystems |
| ecology | the study of how organisms interact with their environment |
| natural resources | anything naturally occurring in the environment that humans use |
| conservation | the practice of using less of a resource so it can last longer |
| sustainability | the ability of an ecosystem to maintain biodiversity and production indefinitely |
| ecological restoration | the practice of helping a degraded or destroyed ecosystem recover from damage |
Created by:
Mr. Clary
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