Edexcel IGCSE Biology 4 11b Parasitism and Mutualism 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

(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

4.10 Carbon cycle

4.11B Parasitism and mutualism

(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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