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AQA A-level Biology > 3.7.4 Populations in ecosystems (A-level only) > Flashcards

3.7.4 Populations in ecosystems (A-level only) Flashcards

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AQA A-level Biology (39 decks)

3.1.1 Monomers and Polymers

3.1.2 Carbohydrates

3.1.5 Nucleic acids are important information-carrying molecules

3.1.8 Inorganic ions

3.2.1 Cell structure

3.2.2 All cells arise from other cells

3.2.3 Transport across cell membranes

3.2.4 Cell recognition and the immune system

3.3.1 Surface area to volume ratio

3.3.2 Gas exchange

3.3.3 Digestion and absorption

3.3.4 Mass transport

3.4.1 DNA, genes and chromosomes

3.4.2 DNA and protein synthesis

3.4.3 Genetic diversity can arise as a result of mutation or during meiosis

3.4.4 Genetic diversity and adaptation

3.4.5 Species and taxonomy

3.4.6 Biodiversity within a community

3.4.7 Investigating diversity

3.5.1 Photosynthesis (A-level only)

3.5.2 Respiration (A-level only)

3.5.3 Energy and ecosystems (A-level only)

3.5.4 Nutrient cycles (A-level only)

3.6.1 Stimuli, both internal and external, are detected and lead to a response (A-level only)

3.6.2 Nervous coordination (A-level only)

3.6.3 Skeletal muscles are stimulated to contract by nerves and act as effectors (A-level only)

3.6.4 Homeostasis is the maintenance of a stable internal environment (A-level only)

3.7.1 Inheritance (A-level only)

3.7.2 Populations (A-level only)

3.7.3 Evolution may lead to speciation (A-level only)

3.7.4 Populations in ecosystems (A-level only)

3.8.1 Alteration of the sequence of bases in DNA can alter the structure of proteins (A-level only)

3.8.2 Gene expression is controlled by a number of features (A-level only)

3.8.3 Using genome projects (A-level only)

3.8.4 Gene technologies allow the study and alteration of gene function allowing a better understanding of organism function and the design of industry and medicine(A-level only)

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