Biology

5个单元 · 22个章节

免费的Biology学习笔记，专为Pearson Edexcel IGCSE学生准备。下列每个章节都涵盖一个重点主题，附有例题与练习提示，可在 thinka 应用中延伸练习。

The nature and variety of living organisms

Characteristics of living organisms
Variety of living organisms

Structure and functions in living organisms

Level of organisation
Cell structure
Biological molecules
Movement of substances into and out of cells
Nutrition
Respiration
Gas exchange
Transport
Excretion
Co-ordination and response

Reproduction and inheritance

Reproduction
Inheritance

Ecology and the environment

The organism in the environment
Feeding relationships
Cycles within ecosystems
Human influences on the environment

Use of biological resources

Food production
Selective breeding
Genetic modification (genetic engineering)
Cloning

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