Hey does anyone have the answers for the AQA gcse combined science exam practice workbook higher level thanks it would be very useful

Assume that a student is given two different models of bacteria, with one model consisting of big bacteria and the other consisting of small bacteria. how can the student demonstate the theory of endosymbiosis using the models

Need with these questions . need the answers in a rush for these questions are the answers i put down are correct or not? ?

Explain how the parts of the peripheral nervous system work with the central nervous system to produce a response to the stimulus