Solve IGCSE biology extended Topic Questions

1: Characteristics and classification of living organisms
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2: Organisation of the organism
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3: Movement into and out of cells
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4: Biological molecules
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5: Enzymes
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6: Plant nutrition
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7: Human nutrition
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8: Transport in plants
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9: Transport in animals
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10: Diseases and immunity
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11: Gas exchange in humans
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12: Respiration
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13: Excretion in humans
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14: Coordination and response
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15: Drugs
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16: Reproduction
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17: Inheritance
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18: Variation and selection
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19: Organisms and their environment
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20: Human influences on ecosystems
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21: Biotechnology and genetic modification
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