| A | B |
| ecology | study of interactions of organisms with their environment |
| herbivore | consumer that feeds on plants |
| carnivore | consumer that feeds on animals |
| omnivore | consumer that feeds on both plants and animals |
| detrivore | decomposer |
| mutualism | relationship in which both species benefit |
| symbiosis | relationship between two species |
| commensalism | relationship where one species benefits and the other is neither harmed or benefited |
| parasitism | where one species benefits, the other is harmed |
| mimicry | resemblance of one species to another |
| autotroph | Makes its own food |
| Heterotroph | General name for all types of consumers |
| respiration | Using food to get energy (ATP) |
| Photosynthesis | Process of using light to create sugars |
| sucession | How the environment changes, especially after a natural disaster |
| carrying capacity | The highest number of organisms the environment can sustain - S type graph |
| Exponential Growth | Uncontrolled growth, J shaped curve |
| Limiting Factor | Food, shelter, water, mates, Disease, keeps Exponential growth from continuing |
| Biotic | Living factor in the environment |
| Abiotic | Nonliving Factor - Dirt, water, air |