EduNinja

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

(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

5.1 Glasshouses and polythene tunnels

5.2 Effects on crop yield of increased carbon dioxide

5.3 Fertilisers and crop yield

5.4 Pest control

5.5 Yeast in the production of food

5.6 Yeast anaerobic respiration

5.7 Fermenter microorganism growth

5.8 Industrial fermenter conditions

5.9B Fish farming

(b) Selective breeding

(c) Genetic modification (genetic engineering)

IGCSE Biology 5.2 Effects on crop yield of increased carbon dioxide Topic Practice

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