Cambridge IGCSE Biology practice

Paper 3 structured question: Concept and uses of classification systems

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Paper

Marks

Topic

Concept and uses of classification systems

Exam-style question

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Paper 3Theory (Core)3 marks

The importance of species in ecosystems.

Description

Species play a crucial role in maintaining biodiversity and ecological balance.

a
Describe the significance of species in ecosystems.
Your answer
Aim for approximately 3 distinct marking points.
[3]

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Paper 3Theory (Core)2 marks

Description

A species is defined as a collection of organisms that can mate and produce fertile offspring.

a
Describe the characteristics that define a species.
Your answer
Aim for approximately 2 distinct marking points.
[2]