| Term | Definition |
|---|
| abiotic factors- | - the non-living, physical aspects of an ecosystem such as air, water, soil, heat, and light. abiotic factors |
| aerobic respiration- | energy releasing bioch emical reactions that use oxygen aerobic respiration |
| air- | a mixture of gases; mostly nitrogen and oxygen.air |
| anaerobic respiration- | - energy releasing biochemical reactions that do not need oxygen to occur.anaerobic respiration |
| atom- | a tiny particle of matter.atom |
| biotic factors- | the living things in an ecosystem.biotic factor |
| carbohydrates- | carbohydrates- chemical compounds containing carbon, hydrogen, and oxygen. Sugar is a carbo hydrate. Carbohydrates store energy in their chemical bonds.carbonhydrates |
| carbon cycle | the movement of carbon atoms through an ecosystem between living organisms as well as the non-living part of the environme carbon cycle |
| carbon dioxide/oxygen cycle- | he recycling of carbon dioxide and oxygen between organisms and the air. carbon dioxide/oxygen cycle |
| carbon dioxide | a chemical compound made from one atom of the element carbon and two atoms of the element oxygen. The chemical formula for carbon dioxide is carbon dioxide |
| cellular respiration | the process of releasing energy stored in carbon hydraes. Respiration produces carbon dioxide and water. Respiration usually require oxygen in which case it is usually called aerobic respiration or aerobic cellular respiration cellular respiration |
| chemical compound- | a molecule composed of atoms of two or more different elements. chemical compound |
| condensation- | the formation of snow or rain from water vapor.condensation |
| decomposer's- | rganisms such as fungi and bacteria that break down the complex chemical compounds made by living things into simple nutrients that are used by food producers decomposers |
| dentrification | - the process by which bacteria cause nitrogen gas to be released back into the environment dentrification |
| ecology- | the study of the relationships and interations of living things with one another and with their physical environment ecology |
| ecosystem- | ll the interactions and relationships of organisms with one another and with their physical environment within a certain are ecosystem |
| element of matter- | basic type of matter, such as the elements carbon, sulfur, iron, and oxygen. Every element has a different atomic structure. element of matter |
| energy- | the ability to do work. Light and heat are examples of energy. Energy has no mass (weight and occupies no space. energy |
| extinction- | the complete destruction of all the members of an ecological population- death of every member of a species extinction |
| food chains- | energy links between different organisms in an ecosystem based on feeding habits. food chains |
| food producers- | organisms such as plants and algae that create energy rich food through the process of photosynthesis. food producers |
| habitat | the place in which an organism lives.habitat |
| helium- | trace element in air.helium |
| humus- | soil material created by decay of organic material such as dead leaves. humus |
| krypton- | trace element in air.krypton |
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