Biology marathon

$ Aristotle is known as the father of biology because he was the first person to coin the term biology. ! Biology that branch of science which deals with the study of living beings alone.

At the end of the marathon everybody was exhausted.

Which is the winner of the Delhi Half Marathon in men's race?

You will participate in the marathon, won't you ?

$ Exo-biology is a branch of biology. ! It deals with the study of external characters of the living organisms.

Biology is the science of

When I was training for the marathon, I ___________ run over 100 kilometeres a week.