Terms in this set (11)
The number of different species in an area is called its biodiversity.
A keystone species is a species that influences the survival of many other species in an ecosystem.
Genes are the structures in an organism's cells that carry its hereditary information.
The disappearance of all members of a species from Earth is called extinction.
Species in danger of becoming extinct in the near future.
Species that could become endangered in the near future.
The major cause of extinction is habitat destruction, the loss of a natural habitat.
Breaking larger habitats into smaller, isolated pieces, or fragments, is called habitat fragmentation.
The illegal killing or removal of wildlife from their habitats is called poaching.
Niche Diversity is when more niches available, the greater the biodiversity
Captive breeding is the mating of animals in zoos or wildlife preserves.
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GCA Environmental Science - Chapter 7: Biodiversity and Conservation