Biology 9700 · AS & A Level · Transport mechanisms

Transport mechanisms — practice question

The graph illustrates the yearly variation in these factors in a lake: light intensity per day; numbers of producers; numbers of primary consumers; nutrient quantity. Which curve shows the numbers of producers?

    Worked solution & mark scheme

    This 1-mark question has a full step-by-step worked solution and mark scheme.

    • Full mark scheme, point by point
    • Step-by-step worked solution
    • Write your answer & get it marked instantly by AI