CAIE IGCSE Biology 18.1.5 Examples of Continuous Questions

Practise collecting, calculating and presenting measurements or categories to investigate continuous and discontinuous variation.

Exam points

state named measurable features of an organism that can be investigated as examples of continuous or discontinuous variation

[Maximum number: 2]

An ecologist studied variation in a species of xerophyte.

The ecologist also measured other features of the leaves.

Fig. 5.2 shows the variation in leaf feature B.

Fig. 5.2

State two named features of leaves that show the type of variation shown in Fig. 5.2.
1

2

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