CourseCourse QuestionQuestionDocumentDocument

Pearson Edexcel International GCSE Biology (4BI1)

1 The nature and variety of living organisms

2 Structure and functions in living organisms

3 Reproduction and inheritance

4 Ecology and the environment

(a) The organism in the environment

(b) Feeding relationships

(c) Cycles within ecosystems

(d) Human influences on the environment

4.12 Air pollution consequences

4.13 Greenhouse gases

4.14 Human sources of greenhouse gases

4.15 Enhanced greenhouse effect

4.16 Sewage pollution consequences

4.17 Eutrophication consequences

4.18B Deforestation effects

5 Use of biological resources

6 Experimental skills

7 Mathematical skills

IGCSE/Edexcel/Biology//Concept/4 Ecology and the environment/(d) Human influences on the environment/4.17 Eutrophication consequences

4 Ecology and the environment

Syllabus: 2024
Section: 4
Level: —

Exam analysis

Most tested topics

(a) The organism in the environment
(b) Feeding relationships
(c) Cycles within ecosystems
(d) Human influences on the environment