Syllabus Edition

First teaching 2023

First exams 2025

|

Conservation of Biodiversity (SL IB Biology)

Exam Questions

49 mins9 questions
1
Sme Calculator
1 mark

Which of the following is a correct explanation for biodiversity change?

  • Species extinctions occur due to anthropogenic extinction.

  • Scientists have changed the way species are classified.

  • Classification can be subjective.

  • There are more species alive today than have been alive in the past.

Did this page help you?

2
Sme Calculator
1 mark

Which of the following describe(s) anthropogenic extinction?

I.
North Island giant moas were hunted to extinction between 1200-1300.
II.
An asteroid strike resulted in the extinction of most of the dinosaurs around 65 million years ago.
III.
Caribbean monk seals were hunted to extinction to provide oil and food.
  • I and II only

  • I and III only

  • I, II and III

  • III only

Did this page help you?

3
Sme Calculator
1 mark

Which of the following is an important factor in mixed dipterocarp ecosystem loss in Southeast Asia?

  • Introduction of non-native species.

  • Establishment of nature reserves.

  • Clear-cutting of trees to provide agricultural land.

  • Changes in atmospheric oxygen levels.

Did this page help you?