Conservation biologists are concerned with conserving the three levels of biodiversity on the planet
- The first level is genetic diversity, or variety, which is especially vulnerable in small populations.
- Small populations are more prone to lose alleles due to non-random mating events and the extinction of individuals with unique gene combinations.
- The second level is species diversity, which is defined as the quantity and relative abundance of species in a particular region.
- Conservation biologists are engaged in helping to safeguard as many species as possible, with a focus on threatened or endangered species.
The third level is ecosystem diversity, which considers an area's structure and function.
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