The number of different species in an area
Biodiversity
The practice of raising fish and other water-dwelling organisms for food
Aquaculture
A species that influences the survival of many other species in an ecosystem
Keystone species
located within cells and carry the hereditary information that determines an organism’s traits
Genes
The disappearance of all members of a species from Earth
Extinction
A species in danger of becoming extinct
Endangered species
A species could become endangered in the near future
Threatened species
The loss of a natural habitat
Habitat Destruction
Breaking larger habitats into smaller, isolated pieces, or fragments
Habitat Fragmentation
The illegal killing or removal of wildlife from their habitats
Poaching
The mating of animals in zoos or on wildlife preserves
Captive Breeding