Learning objective

Discuss the negative consequences of deforestation as a form of habitat destruction, including: decreased biodiversity, species extinction, soil degradation, increased flooding, and higher carbon dioxide levels in the atmosphere.

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Exam focus

Cambridge IGCSE BiologyHuman influences on ecosystemsCore content

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Quick explanation

This point belongs to Habitat destruction, especially Habitat destruction outcomes.
You need to be able to discuss the negative consequences of deforestation as a form of habitat destruction, including: decreased biodiversity, species extinction, soil degradation, increased flooding, and higher carbon dioxide levels in the atmosphere.
The key ideas to know are Explain.
Use the linked flashcards and practice questions to check recall, then practise applying the idea in an exam-style answer.

Key concepts

Explain

Why it matters

This objective helps connect Habitat destruction outcomes to exam-style questions, flashcards, and revision notes for Habitat destruction.

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Practice Questions7 linked questions

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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]

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