Cambridge IGCSE Biology practice

Paper 3 structured question: Habitat destruction

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

At a glance

Paper

Marks

Topic

Habitat destruction

Exam-style question

Try this first

Paper 3Theory (Core)4 marks

Forests provide habitats for many species and help maintain soil and water balance.

Description

Deforestation destroys habitats, causes soil degradation, increases flooding, and raises carbon dioxide levels.

a
State one way deforestation affects soil quality.
Your answer
Aim for approximately 1 distinct marking point.
[1]
b
Explain why deforestation can lead to species extinction.
Your answer
Aim for approximately 3 distinct marking points.
[3]

0 of 2 parts answered

Answer every part before opening the mark scheme.

Common mistake

No common mistake is linked to this question yet.

Flashcard 1 of 6

Press Space to flip, arrows to move

Paper 3Theory (Core)5 marks

Description

Deforestation leads to habitat loss, species extinction, soil degradation, increased flooding, and higher carbon dioxide levels in the atmosphere.

a
Identify two negative effects of deforestation on the environment.
Your answer
Aim for approximately 2 distinct marking points.
[2]
b
Explain how deforestation can lead to increased carbon dioxide levels in the atmosphere.
Your answer
Aim for approximately 3 distinct marking points.
[3]