| Term | Definition |
|---|
| abiotic factors | the non-living, physical aspects ABIOTIC FACTORS of an ecosystem such as air, water, soil, heat, and light. |
| aerobic respiration | energy releasing biochemical reactions that use oxygen. |
| air | a mixture of gases; mostly nitrogen and oxygen.AIR |
| anaerobic respiration | energy releasing biochemi-cal reactions that do not ANAEROBIC RESPERATIONneed oxygen to occur. |
| atom- | a tiny particle of matter.ATOM |
| biotic factors | the living things in an ecosystem.BIOTIC FACTOR |
| carbohydrates- | chemical compounds containing carbon, hydrogen, and oxygen. Sugar is a carbohy |
| carbon cycle | the movement of carbon atoms CARDON CYCLE |
| carbon dioxide/OXEGEN cycle | the recycling of CARBON DIOXIDE/oxegen cycle and oxygen between organisms and the |
| cardon dioxide | a chemical compound made from one atom CARBON DIOXIDE |
| chemical compound | a molecule composed of CHEMICAL COMPOUND atoms of two or more different elements. |
| condensation | the formation of snow or rain from water vapor.CONDENSATION |
| decomposers | ganisms such as fungi and bacteria DECOMPOSERS |
| dentrification- | the process by which bacteria cause nitrogen gas to be DENTRIFICATION released back into the environ- |
| ecology | the study of the relationships and interac-tions |
| ecosystem | ll the interactions and relationships of the elements carbon, sulfur, iron, and oxygen.ECOSYSTEM Every |
| energy | the ability to do work. Light and heat are examples of ENERGY. Energy has no mass (weight) |
| extinction | the complete destruction of all the mem-bers of an ecological EXTINCTION population- death of ever |
| food chains | energy links between different organ-isms in an ecosystem based on FOOD CHAIN feeding habits. |
| food producers | organisms such as plants and algae that create energy-rich FOOD PRODUCERS through the process of photosyteisis |
| habitat- | were an animals lives |
| helium | trace element in air HELIUM |
| humus | soil material created by decay of organic material such as dead leavesHUMUS. |
| krypton- | trace element in air. KRYPTON |
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