Concept and uses of classification systems — practice question

The diagram illustrates a pea pod, which counts as a fruit. Apply the key to identify the fruit. 1 sepals drop off immediately after the flower is fertilised \;\;\; go to 2 sepals do not drop off immediately after the flower is fertilised \;\;\; go to 3 2 pod has fewer than four seeds \;\;\; A pod has more than four seeds \;\;\; B 3 fruit breaks open to release several seeds \;\;\; C fruit breaks open to release only one seed \;\;\; D