| A | B |
| Genetic Diversity | Variety of genes within a species |
| Species Diversity | Variety of different species within a community |
| Ecological Diversity | Richness and complexity of a biological community |
| Species | Organisms that can breed and produce fertile offspring |
| Biodiversity Hot Spots | Areas with high numbers of endemics |
| Endemic species | species that occur nowhere else |
| Hot Spot Islands | Madagascar, Indonesia, Philipines |
| Hot spot Climate Areas | South Africa, California, Mediterranean |
| Biodiversity Benefits | Food, Drugs, Soil, Culture |
| Existence Value | Knowing a species exists |
| Extinction | Elimination of a species |
| Invasive species | Organisms that thrive in a new area |
| MN Invasive Examples | Milfoil, zebra mussel, purple loostrife |
| Overharvesting | Overly using an organism by hunting or other |
| Overharvesting examples | Passenger pigeon, fish, bison |
| ESA | Endangered Species Act |
| Endangered Species | In imminent danger of extinction |
| Threatened Species | Likely to become endangered |
| Vulnerable Species | Naturally rare or depleted |
| Taking | harrassing, harming, pursuing, etc. |
| Recovery | Bringing back of a species |
| Keystone species | Has major effect on ecology |
| Indicator species | Tied to specific biotic communities |
| Umbrella species | Require large blocks of habitat |
| Flagship species | Interesting or attractive organisms |