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Biodiversity
| Term | Definition |
|---|---|
| biodiversity | the sum total of the genetically based variety of all organisms in the biosphere |
| extinction | when a species disappears from all or part of its range |
| endangered species | a species whose population size is declining in a way that places it in danger of extinction |
| habitat fragmentation | a process that splits ecosystems into pieces |
| biological magnification | a process in which concentrations of a harmful substance increase in organisms at higher trophic levels in a food chain or food web |
| invasive species | organisms that are introduced into new habitats |
| conservation | a term used to describe the wise management of natural resources |