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1. Investigation of potassium chloride's effect on stomatal opening, independent and dependent variable identification, and preparation of dilutions.

2. Hypothesis formulation on KCl effects, stomatal aperture measurement techniques, and anomaly identification in experimental data.

3. Analysis of light intensity effects on stomatal aperture, mean diameter calculations, and experimental procedural improvements.

4. Butterfly population comparison between sprayed and unsprayed headlands using chi-squared tests, null hypothesis establishment, and critical value determination.

5. Conclusions on herbicide effects based on statistical significance of butterfly species distribution in sprayed versus unsprayed areas.

CIE AS & A Level Biology (9700) Nov 2016 Biology (9700) directory

Laura Bellini

Classification: Paper 5

Page count: 12

Viewed: 134

Last update: 3 months ago

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Biology 9700/51 Oct Nov 2016 | Cambridge AS Level Past Papers With Mark Scheme

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