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Unit 4 of 5

Ecology and the Environment

Edexcel IGCSE Biology · Linear · 15 lessons · 8 quizzes

Start the first lesson

4.1

4. Ecology and the Environment20 min

4a

The organism in the environment5 min

4b

Feeding relationships5 min

4c

Cycles within ecosystems5 min

4d

Human influences on the environment5 min

4.6

The organism in the environment (Part 2)20 min

4.7

The organism in the environment (Part 3)20 min

4.1

The Organism in the Environment (Part 1)20 min

4.1

The Organism in the Environment (Part 2)20 min

4.1

The Organism in the Environment (Part 3)20 min

4.2

Feeding Relationships (Part 1)20 min

4.2

Feeding Relationships (Part 2)20 min

4.3

Cycles within Ecosystems20 min

4.4

Human Influences on the Environment20 min

4.15

Unit 4 - Assignment: Ecology and the environment20 min

Practice for this unit

4a The organism in the environment — Lesson quiz

Marked questions with instant feedback and a full review.

4a The organism in the environment — Past papers

Marked questions with instant feedback and a full review.

4b Feeding relationships — Past papers

Marked questions with instant feedback and a full review.

4c Cycles within ecosystems — Past papers

Marked questions with instant feedback and a full review.

4d Human influences on the environment — Past papers

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. Ecology and the Environment - Unit review (40 questions)

Marked questions with instant feedback and a full review.