Explain the significance of meiosis in sexual reproduction

Last week i was assigned a thematic. we have groups of three but the people i was assigned with haven't been in school for days. i would appreciate if anyone can me with my thematic . i highlighted most of the important steps and i circled my thematic topic. in desperate need : ( its due on february 19

Describe how a student should adjust the microscope to see the cells on a slide more clearly?

How will you manage your time to accomplish the necessary tasks both on the job and at home?