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Unit 4 of 5

Ecology & the Environment

Edexcel International GCSE Biology 4BI1 · 7 lessons · 4 quizzes

Start the first lesson

4.1

The Organism in the Environment20 min

4.2

Feeding Relationships20 min

4.3

Cycles within Ecosystems20 min

4.4

Human Influences on the Environment20 min

4.1.4

Practical: Investigating the Distribution of Organisms20 min

4.3.2

Nitrogen Cycle20 min

4.4.5

The Effects of Deforestation20 min

Practice for this unit

4.1 The Organism in the Environment - Check yourself

Marked questions with instant feedback and a full review.

Feeding Relationships - Check yourself

Marked questions with instant feedback and a full review.

Cycles within Ecosystems - Check yourself

Marked questions with instant feedback and a full review.

4.4 Human Influences on the Environment - Check yourself

Marked questions with instant feedback and a full review.