| Term | Definition |
|---|
| photosynthesis | a process in which a lplant uses sunlight to amke sugar molecules |
| producer | any organism that is capable of producing food |
| consumer | any organism that gets its energy by comsuming other organisms |
| decomposers | consumers that get their food by breaking down dead organisms |
| herbivore | gets their energy b eating producers |
| carnivore | get their energy from consuming consumers |
| omnivore | get their energy from both producers and consumers |
| cellular respiration | the process of breaking down food to yeild energy |
| food chain | a sequence in which energy is transferred from one organism to the next as each organism eats another organism |
| food web | shows many feeing relationships that are possible in an ecosystem |
| trophic level | each step in the transfer of energy through a food chain or food web in an ecosystem |
| carbon cycle | is a process by which carbon is cycled between the atmosphere, land, water and organisms |
| nitrogen fixing bacteria | organisms that can fix atmospheric nitrogen into chemical compounds |
| nitrogen cycle | a process in which nitrogen is cycled between the atmosphere, bacteria, and other organisms |
| phosphorus cycle | the movement of phosphorus from the environment to organisms and then back to the environment |
| ecological succession | is a gradual process of change and replacemnt of the types of secies in a community |
| primary succession | a type of succession that occurs on a surface where no ecosystem exist |
| secondary succession | succession that occurs on a surface where an ecosysem has prviously existed |
| pioneer species | the first organisms to colonize any newly available area and begin the process of ecological succession |
| climax community | a final and stable community |
Combine with other sets
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