Biology 0610 · IGCSE · Variation

Variation — practice question

An ecologist investigated variation within one species of xerophyte.
(a)[1]

Xerophytes are suited to a specific kind of environment. State this type of environment.

(b(i))[1]

State the category of variation represented in Fig. 5.1.

(b(ii))[2]

Explain why the type of leaf spike is an example of the kind of variation shown in Fig. 5.1.

(c)[2]

State two named leaf features that display the type of variation shown in Fig. 5.2.

(d)[1]

Suggest one reason for the change in variation of leaf feature B after one year.

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