2 Nitrogen cycle Flashcards

1
Q

nitrifying bacteria

A

bacteria which convert ammonium and nitrites in soil to nitrates

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2
Q

nitrification

A

process carried out by bacteria which convert ammonium in soil to and nitrites and soil to nitrites to nitrates

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3
Q

denitrification

A

process carried out by bacteria which break down nitriates in soil to nitrogen gas

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4
Q

denitrifying bacteria

A

bacteria which break down nitrates in soil to nitrogen gas

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5
Q

root nodule

A

structure in roots of some plants which contains nitrogen fixing bacteria

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6
Q

nitrogen fixation

A

process where bacteria in root nodules convert nitrogen gas to nitrates

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7
Q

decomposers

A

bacteria and fungi which break down dead animals and plants releasing nutrients into the soil

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8
Q

ammonium

A

nitrogen compound produced when animal and plant protein is decomposed by bacteria and fungi

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9
Q

nitrites

A

nitrogen compound produced when ammonium in soil is nitrified by bacteria

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10
Q

nitrates

A

nitrogen compounds absorbed by plant roots - they are produced from nitrification of nitrites

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11
Q

protein

A

form of nitrogen found in plants? and animals? bodies

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