| A | B |
|---|
| Limiting factors | food, space, weather conditions |
| Population | number of all the members of one species living in an area |
| Immigration | number of organisms moving into a place |
| Emigration | number of organisms leaving a place |
| Biotic factors | living things |
| Abiotic factors | non-living things |
| Population Density | = number of organisms divided by the space |
| Habitat | food, water, shelter |
| Niche | organism's role in its habitat |
| Predator adaptation | sharp claws, powerful jaws |
| Mutualism | 2 organisms living together, both benefit |
| Parasitism | 2 organisms living together, 1 benfits and the other is harmed |
| Commensalism | 2 organisms living together, one is benefited |
| Adaptation | behaviors & physical characteristics that allow species to live successfully in their environment |
| Competition | struggle between organisms to survive in a habitat |
