non-living organisms in an ecosystem
energy releasing biochemical reactions that use oxygen
a mixture of gases; mostly nitrogen and oxygen
energy releasing biochemical reactions that do NOT use oxygen
a tiny particle of life
the living things in an ecosystem
chemical compounds containing carbon, hydrogen, & oxygen
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
a chemical compound made from one atom of carbon and 2 atoms of oxygen.(C02)
the process of releasing energy stored in carbohydrates
a molecule/compound composed of 2 or more different elements
when water vapor turns into rain or snow
organisms that break down the complex chemical compound made by living things
the process in which bacteria causes nitrogen gas to be released into the environment
the study of the interactions & relations that organisms have with the environment
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
the ability to do work
the complete destruction of a species
an energy link between organisms based on feeding habits
organisms such as plants and algae that create energy rich food using photosynthesis
the place in which an organism lives
trace element in air
soil material created by decay of organic material
a trace element in air
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