logo

Cambridge IGCSE Biology practice

Paper 3 structured question: Selection

Try the question first, then check the answer and practise the same topic again.

Attempt questionSelection revisionRevise the key idea

At a glance

3

Paper

3

Marks

Topic

Selection

Exam-style question

Try this first

Paper 3Theory (Core)3 marks

Natural selection in a population of birds.

Diagram Description

Bird Beak Variation

A diagram shows birds with different beak shapes adapted to various food sources.

  1. a

    Identify the factor that leads to beak shape variation in birds.

    Aim for approximately 1 distinct marking point.

    [1]
  2. b

    Describe how natural selection affects beak shape in birds.

    Aim for approximately 2 distinct marking points.

    [2]

0 of 2 parts answered

Answer every part before opening the mark scheme.

Common mistake

No common mistake is linked to this question yet.

Related flashcards

Flashcard 1 of 6

Press Space to flip, arrows to move

Related practice questions

Question 1 of 5

Choose an answer, get feedback, then move sideways through the set.

0 of 4 attempted

Paper 3 structured question: Selection

Paper 3Theory (Core)3 marks

Description

Rabbit Population

A population of rabbits lives in an area with limited food resources. Some rabbits have a genetic trait that allows them to digest a wider variety of plants.

  1. a

    Describe how genetic diversity affects the rabbit population's survival.

    Aim for approximately 2 distinct marking points.

    [2]
  2. b

    State the role of advantageous traits in natural selection.

    Aim for approximately 1 distinct marking point.

    [1]