| A | B |
|---|
| ecosystem | all living and nonliving things in an environment |
| population | number of members of a species |
| community | all living and nonliving things in an ecosystem |
| food web | network of food chains |
| symbiosis | relationship of 2 or more organisms over time |
| mutualism | type of symbiosis in which both organisms benefit |
| commensalism | type of symbiosis in which one benefits without harming the other |
| parasitism | type of symbiosis in which one benefits and the other is harmed |
| photosynthesis | process of making food with sunlight |
| stomata | where the carbon dioxide goes in |
| chloroplast | part of cell where photosynthesis takes place |
| the role of plants | plants take in CO2 and give off O2 |
| stomata function | closes when drought and opens when wet |
| cellular respiration | the opposite of photosynthesis |
| energy pyramid | diagrams amount of energy at each level of an ecosystem |
| how much energy is passed from each level of pyramid | 10% |
