| A | B |
|---|
| Ecosystem | A community of living organisms that depend upon each other for survival |
| Ecological Niche | The place a plant or animal has in its habitat |
| Food Chain | The nutritional relationship between organisms in a community |
| Biome | A community of plants and animals living together in a particular climate. Each of the six biomes is made up of any different ecosystems. |
| Biodiversity | The variety of plant and animal species in an environment |
| Flora | Plants of a given area |
| Fauna | Animals of a given area |
| Native Species | Plants or animals that occur naturally in an area |
| Endemic Species | A plant or animal that is found only in a particular place and nowhere else |
| Introduced Species | Plants or animals that are brought by people on purpose to an area where they are not native |
| Alien Species | Plants or animals that do not occur naturally in an area or place and whose presence disrupts the balance of an ecosystem |
| Invasive Species | Plants or animals that do not occur naturally in an area or place and whose presence destroys the balance of an ecosystem |
| Feral | An adjective describing wild animals that are descended from tame animals |
| Extinction | The elimination of a species |
| Extinction Rate | The rate or speed at which species become extinct |
| Leeward | Located away from the wind |
| Windward | Located in the path of the wind or moving towards the direction from which the wind is blowing |
| Theory | A general idea that explains facts or events. A theory is an idea that is the starting point for a scientific investigation. |
