EduNinja

EduNinja

12. Energy and Respiration

12.2 Respiration

13. Photosynthesis

13.1 Photosynthesis as Energy Transfer Process

13.2 Investigation of Limiting Factors

14. Homeostasis

14.1 Homeostasis in Mammals

14.2 Homeostasis in Plants

15. Control and Coordination

15.1 Control and Coordination in Mammals

15.2 Control and Coordination in Plants

16. Inheritance

16.1 Passage of Information from Parents to Offspring

16.2 The Roles of Genes in Determining Phenotype

16.3 Gene Control

17. Selection and Evolution

17.1.1—Genetic and environmental variation

17.1.2—Discontinuous vs continuous variation

17.1.3—Genetic basis of variation

17.1.4—T-test to compare means of two samples

17.2 Natural and Artificial Selection

18. Classification, Biodiversity and Conservation

18.1 Classification

18.2 Biodiversity

18.3 Conservation

19. Genetic Technology

19.1 Principles of Genetic Technology

19.2 Genetic Technology Applied to Medicine

19.3 Genetically Modified Organisms in Agriculture

Practical assessment skills

Paper 3 Advanced Practical Skills

Paper 5 Planning, Analysis and Evaluation

Mathematical and statistical skills

AS and A Level mathematical requirements

A Level only mathematical and statistical requirements

A Level formula reference and statistics notes

A-Level CAIE Biology A2 17.1.4—T-test to compare means of two samples Question Bank

17.1.4—T-test to compare means of two samples

• t-test to compare means of two samples

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