Скачать или смотреть IGCSE Biology - Habitat destruction (20.2)

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Cambridge IGCSE Biology (0610/0970)
Chapter 20 - Human influences on ecosystems
Topic 20.2 - Habitat destruction
For exams from 2025 (core and extended)

As always this video follows the Cambridge syllabus exactly and contains absolutely everything you need to know for your final exam!

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Timestamps:
0:00 Contents
0:29 Reasons for habitat destruction
2:36 Food webs
3:02 Effects of deforestation

Core content:
Describe biodiversity as the number of different species that live in an area.
Describe the reasons for habitat destruction, including: (a) increased area for housing, crop plant production and livestock production, (b) extraction of natural resources, (c) freshwater and marine pollution.
State that through altering food webs and food chains, humans can have a negative impact on habitats.
Explain the undesirable effects of deforestation as an example of habitat destruction, to include: reducing biodiversity, extinction, loss of soil, flooding and increase of carbon dioxide in the atmosphere.

There's no extended supplement for this lesson.