| A | B |
| Abiotic | Large region with plants and animals adapted to the regions climate |
| Community | all the individuals of one speicies |
| Biome | nonliving parts of the environment |
| Organism | all the communities in an area and their abiotic factors |
| Ecosytem | an individual from a population |
| Population | populations of different species and how they interact |
| ecology | study of interactions among organisms and their envirnment |
| biotic | living or once- living organisms in the environment i |