Gateway Science - Biology A - J247

6个单元 · 15个章节

免费的Gateway Science - Biology A - J247学习笔记，专为Cambridge OCR GCSE (9-1)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。

Cell level systems

Cell structures
What happens in cells (and what do cells need)?
Respiration
Photosynthesis

Scaling up

Supplying the cell
The challenges of size

Organism level systems

Coordination and control – the nervous system
Coordination and control – the endocrine system
Maintaining internal environments

Community level systems

Ecosystems

Genes, inheritance and selection

Inheritance
Natural selection and evolution

Global challenges

Monitoring and maintaining the environment
Feeding the human race
Monitoring and maintaining health

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