Biology 9700 · AS & A Level · Biodiversity

Biodiversity — practice question

(a)[7]

Explain the meanings of ecosystem and niche.

(b)[8]

Describe the sampling methods that could be used to assess the distribution and abundance of organisms in a habitat.

Worked solution & mark scheme

This 15-mark question has a full step-by-step worked solution and mark scheme. One marking point: “A system that is largely self-sustaining” …