| Term | Definition |
|---|
| ecology | the study of environments and interactions of living things |
| biosphere | the living part of planet earth |
| species | a similar group of organisms that can breed and produce fertile offspring |
| population | a group of individuals of the same species living in the same area |
| community | a group of different species living in the same area |
| ecosystem | all living and nonliving parts of an area |
| biome | a group of ecosystems with the same climate |
| modeling | studying long term effects. ex. using graphs to predict possible changes in global temp. |
| autotrophs (producers) | uses energy from the environment to fuel he assembly of simple inorganic molecules into complex organic molecules (make their own food) |
| chemosynthesis | a process where bacteria uses chemical energy to produce carbohydrates |
| heterotrophs (consumers) | organisms that rely on other organisms for energy and food supply |
| detrivores | organisms that feed on plant and animal remains and other dead matter ex. snail |
| decomposers | break down organic matter ex. bacteria |
| food chain | a series of steps in which organisms transfer energy by eating and being eaten |
| food web | network of complex interactions formed by the feeding relationships among various organisms in an ecosystems |
| trophic level | each step in a food chain/web |
| ecological pyramid | diagram showing relative amounts of energy or matter at each trophic level |
| biomass | the total amount of living tissue within a given trophic level (organic matter per unit) |
Combine with other sets
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