QCE Biology Units 3&4 Notes

These are the 20 revision notes inside the QCE Biology Mastery Pack. Open any note to see what it covers before you buy.

1. Measuring Biodiversity: Species Richness, Evenness and Simpson's Diversity Index3 · Species and Ecosystem Diversity

   Describing Biodiversity

2. Linnaean Taxonomy, Binomial Nomenclature and Molecular Phylogeny3 · Describing Biodiversity

   Classification Systems

3. Energy Flow, Trophic Transfer Efficiency and Ecological Pyramids3 · Energy and Nutrients in Ecosystems

   Functioning Ecosystems

4. Biogeochemical Cycles: Water, Carbon and Nitrogen3 · Energy and Nutrients in Ecosystems

   Functioning Ecosystems

5. Ecological Niche, Interspecific Interactions and Carrying Capacity3 · Ecological Niches and Interactions

   Functioning Ecosystems

6. Ecological Succession: Primary, Secondary and Climax Communities3 · Ecosystem Change and Succession

   Functioning Ecosystems

7. DNA Double Helix Structure and Semi-Conservative Replication4 · DNA, Genes and Inheritance

   DNA Structure and Replication

8. Meiosis, Crossing Over and Sources of Genetic Variation4 · Cellular Replication and Variation

   DNA, Genes and Inheritance

9. Transcription, Translation and Regulation of Gene Expression4 · DNA, Genes and Inheritance

   Gene Expression

10. Gene Mutations and Chromosomal Abnormalities4 · DNA, Genes and Inheritance

    Mutations

11. Monohybrid, Dihybrid, Sex-Linked and Polygenic Inheritance4 · DNA, Genes and Inheritance

    Inheritance Patterns

12. Recombinant DNA, PCR, Gel Electrophoresis and Cloning4 · DNA, Genes and Inheritance

    Biotechnology

13. Natural Selection: The Five-Step Mechanism and Evidence for Evolution4 · Evolution and Natural Selection

    Continuity of Life on Earth

14. Types of Natural Selection: Directional, Stabilising and Disruptive4 · Evolution and Natural Selection

    Continuity of Life on Earth

15. Hardy-Weinberg Equilibrium and Allele Frequency Analysis4 · Continuity of Life on Earth

    Microevolution

16. Mechanisms of Evolution: Genetic Drift, Gene Flow and Mutation4 · Continuity of Life on Earth

    Microevolution

17. Speciation: Allopatric, Sympatric and Parapatric Modes4 · Continuity of Life on Earth

    Macroevolution and Speciation

18. Patterns of Macroevolution: Divergent, Convergent, Adaptive Radiation and Extinction4 · Macroevolution and Speciation

    Continuity of Life on Earth

19. Sampling Techniques and Biodiversity Measures: Percentage Cover and Frequency3 · Species and Ecosystem Diversity

    Describing Biodiversity

20. Epigenetic Regulation: Histone Modification, DNA Coiling and Transcription Factors4 · Gene Expression

    DNA, Genes and Inheritance