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Pearson Edexcel International GCSE Biology (4BI1)

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 Photosynthesis and energy conversion

2.19 Photosynthesis equations

2.20 Factors affecting photosynthesis

2.21 Leaf adaptations for photosynthesis

2.22 Mineral ions for plant growth

2.23 Photosynthesis practical

2.24 Balanced diet

2.25 Dietary sources and functions

2.26 Energy requirements

2.27 Alimentary canal structure and function

2.28 Peristalsis

2.29 Digestive enzymes

2.30 Bile production and storage

2.31 Roles of bile

2.32 Small intestine adaptations for absorption

2.33B Food energy practical

(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)

6 Experimental skills

(a) Problem-solving and application

(b) Investigation planning and methods

(c) Observations, measurements and variables

(d) Analysis, communication and evaluation

7 Mathematical skills

1 Arithmetic and numerical computation

2 Handling data

5 Geometry and trigonometry

Question Bank/IGCSE Edexcel Biology/2 Structure and functions in living organisms/(e) Nutrition/2.29 Digestive enzymes

Edexcel IGCSE Biology 2.29 digestive enzymes

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