Nature Trust of British Columbia non profit land conservation organization keeping BC beautiful

Biodiversity - biological variety in an environment as indicated by numbers of different species of plants and animals.
Biosphere - the part of the world in which life can exist.
Conservation - careful preservation and protection of something, especially planned management of a natural resource to prevent exploitation, pollution, destruction, or neglect.
Ecosystem - a system made up of an ecological community and its environment especially under natural conditions.
Endangered species - threatened with extinction.
Exotic species - introduced from another country or region.
Extinction - process of no longer existing.
Extirpation - act or process of making a species extinct locally but not globally.
Habitat - the place or type of place where a plant or animal naturally or normally lives or grows.
Habitat fragmentation - : the process of dividing habitat into small isolated patches that cannot maintain populations of species into the future.
Native species - : living or growing naturally in a particular region.
Threatened species - a species at risk of becoming endangered.