| A | B |
|---|
| Ecology | the study of the interactions between organisms and their environment. |
| Biotic | All the organism that live together and interact with one another. |
| Abiotic | All the physical factors, water, soil, light and temperrature that affect orgainisms in an area. |
| Population | a group of individuals of the same species that live together in the same area at the same time. |
| Community | All the populatons of different specis that live and interact in an area. |
| Ecosytem | A community of organisms and its abiotic envionment. |
| Biosphere | The part of Earth where life exists. |
| Producer | Organisms that use sunlight directly to make food. |
| Consumer | Organisms that eat producers or other organisms for energy. |
| Herbivore | A Consumer that eats plants. |
| Carnivore | A consumer that eat animals. |
| Scavenger | Animal that feeds on the bodies of dead animals. |
| Decomposer | Organisms that get energy by breaking down the remains of dead organisms. |
| Food chain | how the energy in food molecules flows from one organisim to the next. |
| Food web | complex diagram representing the many energy pathways in a real ecosystem. |
| census | the most accurate method, where you count each individual. |
| Niche | An organisms that can independently carry out life processes. |
| habitat | The environment in whcih an organisim lives. |
