| A | B |
|---|
| 10% of energy | In each level of an energy pyramid moves up to the next level |
| Community | All living things in an ecosystem |
| Equilibrium | An ecosystem that is stable with no drastic changes |
| Secondary succession | After a natural disaster, an ecosystem goes through a series of changes |
| Producer | An organism that can make it's own food |
| Herbivore | Animals that eat plants like deer |
| Scavengers | Feed on the bodies of dead animals like vultures |
| Producer | First organism in a food chain |
| Food web | Overlapping food chains in an ecosystem |
| Producer level | The level with the most available energy in an energy pyramid |
| Exotic species | Animals brought from one part of the world to another like ants and horses. |
| Tundra | Extremely cold, dry land biome |
| Tropical Rain Forest | Very humid land biome, near the equator with high number of plant and animal species |
| Habitat | The specific environment of an ecosystem in which an organism lives |
| Biogeography | The study of where organisms live |
| Biome | Group of ecosystems with similar climates and organisms |
| Grassland Biome | Might contain coyotes and hawks who eat mice and rabbits and is covered with grass |
| Example of producer | Rye grass eaten by pronghorns in a Grassland biome |
| Mice killed in a Grassland biome | Negatively effects hawks |
| Secondary consumer - Coyote | Grass eaten by rabbit eaten by coyote |
| Pioneer species example | Moss appearing during primary succession |
| Succession | Series of predictable changes an ecosystem will go through to reach equilibrium |
| Abiotic factors | Sunshine, temperature, water, soil, and oxygen |
| Niche occupied by | One organism at a time |
| Composers | Break down and release nutrients from other dead organisms |
