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Biology
EdexcelLiving organisms, cell biology, genetics, ecology and biological resources — Edexcel IGCSE 4BI1.
6 topics • 36 subtopics
Topics
1
The Nature and Variety of Living Organisms
6 subtopics • Characteristics of life, classification, prokaryotes, viruses, adaptation and biodiversity.
2
Structures and Functions in Living Organisms
6 subtopics • Cells, nutrition, respiration, gas exchange, excretion and transport systems.
3
Nervous System and Homeostasis
6 subtopics • Nervous system, sense organs, hormones, homeostasis and plant responses.
4
Reproduction and Inheritance
6 subtopics • Cell division, sexual and asexual reproduction, genetics and evolution.
5
Ecology and the Environment
6 subtopics • Ecosystems, energy flow, nutrient cycles and human impact on the environment.
6
Use of Biological Resources
6 subtopics • Food production, selective breeding, genetic engineering and microorganisms.