Questions 

The Figure below shows a group of male students. They are all the same age.

The students in the Figure above show continuous variation in some of their characteristics. State three characteristics in which these students show continuous variation.(3 marks)

• Skin colour;
• Height;
• Weight;

2. The figure below represents the distribution of height of pupils in a school

(a) Name the type of variation represented by the curve.

• Continuous;

(b) Outline two possible causes of variation in height of individuals in man.

• Genes;
• Nutrition/ environment;