Biogeochemicals + human impacts in biogeochemical

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energy enters the ecosystem in the form of ______ and exists in the form of ___

sunlight and exists in the form of heat

energy cannot be ______

recycled

______ is crucial to an ecosystme, but organisms need more than this to survive

energy

the organisms in the ecosystems need ______ (water, minerals and other compounds)

nutrients

CHNOPS is abundant, but must be in a form that living cells can ______ and ___

The process by which elements, chemical compounds, and other forms of matter are passed from one organism to another and from one part of the biosphere

Biogeochemical cycle

in the water cycle, ______ is crucial to life (from the biosphere - the cell)

water

_____ is the key element of all organic compounds (think macromolecules)

carbon

_________ and ______ from the basis of the carbon cycle

photosynthesis and cellular respiration

carbon dioxide is removed from the atmosphere by plants and used to build molecules of _______(photosynthesis)

glucose

Cellular respiration (animals, plants, fungi, and protists) returns _______ _______ back to the atmosphere

carbon dioxide

Geochemical processes, such as _____ and ______ activity, release carbon dioxide to the atmosphere and oceans

erosion and volcanic

Biogeochemical processes cause dead organisms to _______ under pressure

decay

When dead organisms decay, their bodies are converted into _____ ____, which stores carbon underground

fossil fuels

human activites such as mining, cutting and burning forest, and burning fossil fules release carbon dioxide into the ________

atmosphere

In the atmosphere, when carbon is present in the form of CO2, it is _______ to the atmosphere by cellular respiration, volcanic activity, the burning of fossil fuels, and by the decomposition of organic matter

released

plants take in the carbon dioxide and use it during _____ to build molecules of glucose

Photosynthesis

in the carbon cycle after photosynthesis makes glucose the glucose molecules and other carbohydrates are used by _____

consumers

burning fossil fuels _______ the amount of carbon dioxide entering the atmosphere

increase

The decrease in trees mean an increase in CO2 that’s taken out of the atmosphere

deforestation

One common consequence of increased nitrogen is an increase in harmful algal blooms

Eutrophication

Toxic blooms of certain types of dinoflagellates have been associated with high fish and shellfish _________ in some areas

mortality

nitrogen/phosphorus availability often limits the primary prodcuctivity of many ecosystems and can lead to severe _______ of the nitrogen cycle/phosphorus cycle in both aquatic and terrestrial ecosystems

alterations