How do autotrophs obtain CO2 & N2 to make their food....
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(1) Co2 from atmosphere through diffusion stomata are responsible for this.
(2) N2 is absorbed from soil in the form of nitrates and nitrites. Nitrogen fixing bacteria convert atmospheric nitrogen into these forms and roots are responsible for absorption.
(2) N2 is absorbed from soil in the form of nitrates and nitrites. Nitrogen fixing bacteria convert atmospheric nitrogen into these forms and roots are responsible for absorption.
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CO2 by stomata in air
N2 by roots as soil nitrate
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CO2 by stomata in air
N2 by roots as soil nitrate
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