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Species richness — OCR GCSE Combined Science A Definition

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Combined Science
Key terms
Species richness

GCSE Combined Science · key term

Species richness

Definition

The number of different species present in an area.

Used by OCR

How each exam board covers it

OCR GCSE Combined Science A · J250

Specification B2 · Biology Paper 1, Biology Paper 2, Chemistry Paper 1, Chemistry Paper 2, Physics Paper 1, Physics Paper 2

You can also record species richness, the number of different species present. This answers a different question from counting the individuals of one species.
Revise: Sampling Techniques

OCR Combined Science A past papers

Related key terms

Abiotic factor
Abundance
Biotic factor
Distribution
Ecosystem

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Percentage cover

Random sampling