Biology 5090 · O Level · Selection

Selection — practice question

Across many hundreds of years, the milk production of a specific kind of farm animal has risen steadily. How has this been achieved?

  • Aartificial selection
  • Bcontinuous variation
  • Cgenetic engineering
  • Dnatural selection

Worked solution & mark scheme

This 1-mark question has a full step-by-step worked solution and mark scheme.

  • Full mark scheme, point by point
  • Step-by-step worked solution
  • Write your answer & get it marked instantly by AI