4.2 Flashcards

(13 cards)

1
Q

Nitrogen fixation

A

nitrogen fixation, any natural or industrial process that causes free nitrogen

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2
Q
A
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3
Q

Nitrification

A

a microbial process by which reduced nitrogen compounds (primarily ammonia) are sequentially oxidized to nitrite and nitrate

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4
Q

Denitrification

A

the process by which combined nitrogen is reduced to gaseous end products

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5
Q

Assimilation

A

the process of taking in and fully understanding information or ideas.

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6
Q

Inputs and outputs of:
Photosynthesis

A

Carbon dioxide and water are inputs of photosynthesis. Oxygen and sugars are outputs

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7
Q

Inputs and outputs of:
Cellular Respiration

A

glucose and oxygen as inputs, and produces carbon dioxide, water, and energy (ATP) as outputs

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8
Q

What type of organisms perform the processes of photosynthesis and cellular respiration

A

Plants

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9
Q

The major abiotic reservoirs of carbon, nitrogen, and phosphorus

A

air - atmospheric cycle

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10
Q

The processes by which carbon, nitrogen, and phosphorus enter the food chain and how they return to abiotic reservoirs

A

Biogeochemical cycles

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11
Q

How humans affect the carbon and nitrogen cycles

A

The global carbon cycle is being modified principally by the burning of fossil fuels, and also by deforestation

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12
Q

Differentiate between how energy and how carbon flow through a food chain

A

Food Chain is a linear sequence of organisms through which the transfer of energy and nutrients takes place

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13
Q

Compare and contrast pathways of carbon, nitrogen, and phosphorus cycles

A

Unlike the carbon or nitrogen cycles, which involve significant atmospheric components, the phosphorus cycle is primarily terrestrial and aquatic, with no major gaseous phase

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