Biology 5090 · O Level · Energy flow

Energy flow — practice question

The graph illustrates how the populations of plant plankton and animal plankton in a lake change over time. Consider the following statement in relation to the data shown on the graph. ‘Changes in the population of animal plankton occur later than similar changes in plant plankton because the animals eat the plants.’ Which category does the statement belong to?

  • AIt is a reasonable interpretation of the data.
  • BIt is a restatement of the data, not an interpretation.
  • CIt is contradicted or not supported by the data.
  • DMore data are required in order for this interpretation to be made.

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