Biology 9700/43 May June 2022 | Cambridge AS Level Past Papers With Mark Scheme
- Investigation of stomatal density in woodland vs. grassland habitats
- Independent variable: habitat type; dependent variable: stomatal density
- Methodology for measuring stomatal density using leaf impressions
- Comparison of stomatal density data collection between habitats
- Analysis of light intensity effects on stomatal density in Lycopersicon esculentum
- Evaluation of SIV infection impact on chimpanzee life expectancy and statistical significance

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