Edexcel IGCSE Biology 2.27 Leaf Structure Topic Practice

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Pearson Edexcel International GCSE Biology

1 The nature and variety of living organisms

(a) Characteristics of living organisms

(b) Variety of living organisms

2 Structure and functions in living organisms

(a) Level of organisation

(b) Cell structure

(c) Biological molecules

(d) Movement of substances into and out of cells

2.18 Active transport

2.19 Photosynthesis

2.20 Factors affecting photosynthesis

2.21 Mineral ions and plant growth

2.22 Photosynthesis word equation

2.23 Photosynthesis practical

2.24 Photosynthesis rate factors

2.25 Limiting factors in photosynthesis

2.26 Light intensity practical

2.27 Leaf structure

2.28 Balanced diet

2.29 Energy requirements

2.30 Dietary sources and functions

2.31 Energy content in food

2.32 Food energy practical

2.33B Body mass index

(f) Respiration

(g) Gas exchange

(j) Co-ordination and response

3 Reproduction and inheritance

(a) Reproduction

(b) 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

5 Use of biological resources

(a) Food production

(b) Selective breeding

(c) Genetic modification (genetic engineering)

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