EC2 Excel
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EC2 Excel
Revision — Edexcel Biology (4BI1) — EC2 Excel
Section 1 · The nature and variety of living organisms
1a
Characteristics of living organisms
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1b
Variety of living organisms
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Section 2 · Structure and functions in living organisms
2a
Level of organisation
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2b
Cell structure
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2c
Biological molecules
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2d
Movement of substances into and out of cells
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2e
Nutrition
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2f
Respiration
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2g
Gas exchange
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2h
Transport
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2i
Excretion
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2j
Co-ordination and response
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Section 3 · Reproduction and inheritance
3a
Reproduction
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3b
Inheritance
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Section 4 · Ecology and the environment
4a
The organism in the environment
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4b
Feeding relationships
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4c
Cycles within ecosystems
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4d
Human influences on the environment
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Section 5 · Use of biological resources
5a
Food production
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5b
Selective breeding
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5c
Genetic modification (genetic engineering)
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5d
Cloning
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