3a) Our sleep is regulated by 2 biological systems: What are they? (2 marks). b) Individuals can often be classified according to their chronotype. Define the term chronotype and list the 3 types of chronotypes individuals are often classified as (4 marks). c) Using the figure below, Identify which chronotype likely explains panels A and B and when you might expect them to perform the best in the 100 min sprint (4 marks). A. Performance (%) B. 100- 95- 100- 95- 888N 90- 85- 80- 75- 70- Performance (%) 90- 85- 8 80- 75- 70- 65 65- 60- 60- 0 4 8 12 16 0 8 12 16 Time since awakening (hrs) Time since awakening (hrs)