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Denitrifying bacteria — OCR Biology A Definition | GradeGen.AI

Courses
Biology A
Key Terms
Denitrifying bacteria

GCSEOCRJ247

Denitrifying bacteria

Key term for OCR GCSE Biology A, used in Ecosystems.

Definition

Bacteria that convert soil nitrates back into nitrogen gas ( $N_2$ ), reducing soil fertility.

Exam Context

Denitrifying bacteria appears in OCR GCSE Biology A revision content for Community level systems, especially Ecosystems and Material cycling.

Community level systems Ecosystems Material cycling

Found in Revision Notes

Community level systems

Material cycling

Ecosystems • Material cycling

Related Key Terms

Abiotic component Aerobic respiration Ammonification Ammonium ions

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Biotic component