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Biogeochemical Cycle

TermDefinition
Element Cycling An element or compound moves between its various living and nonliving forms and locations in the biosphere
Chemical Elements A atom that has differing amounts of protons and neutrons
Molecule A group of two or more atoms held together
Compound Something that is composed of two or more separate elements
Biomolecules Organic molecules that includes carbohydrates, protein, lipids, and nucleic acids
Reservoirs A large natural or artificial lake used as a source of water supply
Biosphere All the parts of Earth where life exists
Hydrosphere all the waters on the Earth's surface
Atmosphere The atmosphere is a mixture of gases that surrounds the Earth
Law of conservation of matter Matter cannot be created or destroyed
Geological carbon cycle The process of reusing carbon atoms from the atmosphere, ground, and oceans.
Biological carbon cycle The process of reusing carbon atoms in nature
Mycorrhizae Fungi that have a symbiotic relationship with the roots of many plants
Mycelia A network of fungal threads
Nitrogen fixation A chemical process by which molecular nitrogen, which has a strong triple covalent bond, is converted into ammonia or related nitrogenous compound.
Nitrification The microbial process by which reduced nitrogen compounds are sequentially oxidized to nitrite and nitrate
Anaerobic Relating to, involving, or requiring an absence of oxygen
Denitrification The microbial process of reducing nitrate and nitrite to gaseous forms of nitrogen
Water cycle The continuous movement of water on, above and below the surface of the Earth
Evaporation The process of turning from liquid water into vapor.
Transpiration The transportation and evaporation process in a plant
Condensation When water vapor condenses into a liquid
Precipitation Any product of the condensation of atmospheric water vapor that falls under gravitational pull
Aquifers A body of porous rock or sediment saturated with groundwater
Runoff The surface can no longer absorb the rainwater
Eutrophication The environment becomes enriched with nutrients
Greenhouse gases Gases in Earth's atmosphere that traps heat
Created by: 555981
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