Aristotle is the father of biology
biology as a whole scientific study of life, where as zoology is the scientific study of animals(and their lives).
It's often impossible to repeat trials on the same subjects. 2-Subjects may report an inaccurate medical history. 3-It can be difficult to control all possible variables. 4-It's impossible to come up with testable scientific questions for human subjects.
Answer:
what is the function of an eyepiece on a microscope?
An eyepiece allows viewing of specimen placed of stage of the microscope
Explanation: