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Chapter 3


Biodiversity The number of different species in an area.
Keystone species Hey species that influence the survival of many other species in an ecosystem.
Genes The structures in an organism's cells that carry its hereditary Information.
Extinction The disappearance of all members of a species from Earth.
Endangered species Species in danger of becoming extinct in the near future.
Threatened species Species that could become in danger in the near future.
Habitat destruction The loss of a natural habitat.
Habitat Fragmentation Breaking larger habitats into smaller, Isolated pieces, Or fragments.
Poaching illegal killing for removal of wildlife from their habitats.
Captive breeding The mating of animals in zoos or wildlife preserves.
Created by: gorellanareyes