Answer:
C commensalism if its wrong im sorry its only a guess
Explanation:
40% of the population was killed by the black death
Usually when a mutation occurs it is for the better of the organism.
So I would say C.) they may receive a benefit.
Good Luck! :)
Answer:
As the Moon orbits around the Earth, we are able to see more or less of the half that is illuminated. ... There is a border between light and dark on the moon because the sun illuminates the half of the moon that is facing it. Leaving the other half dark.
Explanation:
Hope this helps!
Animals stored glucose in their cells it is then available for quick shots of energy.