| A | B |
|---|
| Species | Dogs are considered this because they have similar characteristics and their puppies can also have puppies. |
| Population | This consists of the same species sharing the same resources. |
| Community | This consists of different species sharing the same resources. |
| Quadrat | To do a study of a large area, it is easier to mark off a section and count this organisms inside of it. |
| Bioinvasion | When a species outside of a natural environment upsets the balance of food webs. |
| Competition | When plants or animals within an ecosystem compete with other organisms for food. |
| Niche | An organisms role (what it does). |
| Predation | Predators and prey co-exist in this relationship. This creates a unique graph where the population of the predator is less than the prey. |
| Succession | This refers to the order plants appear when they are colonizing an area. |
| Primary succession | This occurs when plants colonize an area that has never had plants on it before. |
| Secondary succession | This occurs when plants re-colonize an area that has previously had other plants on it. |
| Pioneer Species | The first plants to colonize an area. |
| Climax community | A diverse, stable, established plant community. |
