| Section 1: The nature and variety of living organisms |
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| 1.1 Characteristics of living organisms-1 |
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| 1.2 Variety of living organisms-1 |
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| 1.2 Variety of living organisms-2 |
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| Section 2: Structures and func in living organisms |
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| 2.1 Level of organisation -1 |
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| 2.2 Cell structure -1 |
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| 2.3 Biological molecules-1 |
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| 2.3 Biological molecules-2 |
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| 2.3 Biological molecules-3 |
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| 2.4 Movement of substances into and out of cells-1 |
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| 2.4 Movement of substances into and out of cells-2 |
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| 2.4 Movement of substances into and out of cells-3 |
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| 2.5 Nutrition-1 |
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| 2.5 Nutrition-2 |
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| 2.5 Nutrition-3 |
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| 2.5 Nutrition-4 |
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| 2.5 Nutrition-5 |
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| 2.6 Respiration-1 |
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| 2.6 Respiration-2 |
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| 2.7 Gas exchange-1 |
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| 2.7 Gas exchange-2 |
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| 2.8 Transport-1 |
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| 2.8 Transport-2 |
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| 2.8 Transport-3 |
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| 2.10 Coordination and response-1 |
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| 2.10 Coordination and response-2 |
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| 2.10 Coordination and response-3 |
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| Section 3: Reproduction and inheritance |
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| 3.1 Reproduction-1 |
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| 3.1 Reproduction-2 |
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| 3.1 Reproduction-3 |
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| 3.1 Reproduction-4 |
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| 3.2 Inheritance-1 |
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| 3.2 Inheritance-2 |
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| 3.2 Inheritance-3 |
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| 3.2 Inheritance-4 |
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| Section 4: Ecology and the environment |
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| 4.1 The organism in the environment-1 |
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| 4.1 The organism in the environment-2 |
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| 4.1 The organism in the environment-3 |
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| 4.2 Feeding relationships-1 |
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| 4.2 Feeding relationships-2 |
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| 4.2 Feeding relationships-3 |
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| 4.3 Cycles within ecosystems-1 |
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| 4.4 Human influences on the environment-1 |
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| 4.4 Human influences on the environment-2 |
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| 4.4 Human influences on the environment-3 |
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| Section 5: Use of biological resources |
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| 5.1 Food production-1 |
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| 5.1 Food production-2 |
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| 5.1 Food production-3 |
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| 5.2 Selective breeding-1 |
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| 5.3 Genetic modification (genetic engineering) -1 |
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发表于 2022-4-28 17:48:15