| A | B |
| Biodiversity | the number of different species in a given area. |
| Gene | a peice of DNA that codes for a specific trait that can be inherited by an organism's offspring. |
| Keytone species | Species that are critical to the functioning of an ecosystem. |
| Ecotourism | A form of tourism that supports the conservation and sustainable development of ecologically unique areas. |
| Endangered Species | species that is likely to become extinct if protective measures are not taken immediately. |
| Threatened Species | a species that has a declining population and that is likely to become endanagered if it is not protected. |
| Exotic Species | A species that is not native to a particular region. |
| Poaching | The illegal harvesting of fish, game, or other species. |
| Endemic Species | Species that are native to and found only within a specific area. |
| Germ plasm | any form of genetic material, such as that contained within the reproductive, or germ, cells of plants and animals. |
| Endangered Species Act | A law designed to protect plant and animal species in danger of extinction. |
| Habitat Conservation Plan | a plan that attempts to protect one or more species across large areas of land through trade-offs or cooperative agreements. |
| Biodiversity Treaty | A treaty whose goal is to preserve biodiversity and ensure the sustainable and fair use of genetic resources in all countries. |