logo

Cambridge IGCSE Biology practice

What is a direct effect of a decline in population size on a species?

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

Show answerConservation revisionRevise the key idea

At a glance

MCQ

Type

cambridge_mcq

Style

Topic

Conservation

Exam-style question

Try this first

What is a direct effect of a decline in population size on a species?.

  1. A.Increase in genetic diversity
  2. B.Decrease in genetic diversity
  3. C.Increase in adaptability
  4. D.Decrease in inbreeding

Answer and explanation

Attempt the question first, then reveal the model answer and explanation.

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 3 attempted

Paper 4 structured question: Conservation

Paper 4Theory (Extended)2 marks

Description

Population Decline

The population size of a species has decreased due to habitat loss and hunting. Scientists are concerned about the long-term survival of this species.

  1. a

    Explain how a decline in population size can affect the genetic diversity of the species.

    Aim for approximately 2 distinct marking points.

    [2]