| Term | Definition |
|---|
| abiotic factors | non-living organisms in an ecosystem |
| aerobic respiration | energy releasing biochemical reactions that use oxygen |
| air | a mixture of gases; mostly nitrogen and oxygen |
| anaerobic respiration | energy releasing biochemical reactions that do NOT use oxygen |
| atom | a tiny particle of life |
| biotic factors | the living things in an ecosystem |
| carbohydrates | chemical compounds containing carbon, hydrogen, & oxygen |
| carbon cycle | the movement of carbon atoms through an ecosystem between living and non-living organisms |
| carbon dioxide/oxygen cycle | the recycling of carbon dioxide and oxygen between organisms & air |
| carbon dioxide | a chemical compound made from one atom of carbon and 2 atoms of oxygen.(C02) |
| cellular respiration | the process of releasing energy stored in carbohydrates |
| chemical compound | a molecule/compound composed of 2 or more different elements |
| condensation | when water vapor turns into rain or snow |
| decomposers | organisms that break down the complex chemical compound made by living things |
| dentrification | the process in which bacteria causes nitrogen gas to be released into the environment |
| ecology | the study of the interactions & relations that organisms have with the environment |
| ecosystem | all of the relations that organisms have with the environment |
| element of matter | a basic type of matter such as the elements of carbon, sulfur, iron, and oxygen |
| energy | the ability to do work |
| extinction | the complete destruction of a species |
| food chain | an energy link between organisms based on feeding habits |
| food producers | organisms such as plants and algae that create energy rich food using photosynthesis |
| habitat | the place in which an organism lives |
| helium | trace element in air |
| humus | soil material created by decay of organic material |
| krypton | a trace element in air |
Combine with other sets
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