Explain whether or not the hypothesis(es) was supported. How do we know if the numbers in each half indicate that more planarians than could be expected by chance are responding to a stimulus?

Title -Informative.
Introduction -Start from general ideas/concepts and finish specific to the experiment with an aim and hypothesis(es).
Please write a null hypothesis and alternative hypothesis both
Methods-Please refer to setup procedure mentioned below for both experiment
Results-Refer to graphs present in the attached document write the results.
Discussion -whether or not the hypothesis(es) was supported. How do we know if the numbers in each half indicate that more planarians than could be expected by chance are responding to a stimulus? Please answered by performing a Chi-square statistical goodness of fit test.
References-Harvard format, as do in-text citations.
Appendix -Place chi-square calculations
Please refer to document attached to write down the full report.