Answer:
it's the sun
Explanation:
the water cycle is driven primarily by the energy from the sun
You got this from edg, am I correct. Well he had evidence by drawing and saw the differences between between normal finches to to the ones of Galapagos island. There were 4 different finches, two had a thick beak and two others had thin beak for small wholes where insects might be hiding. He observed the differences between the beaks.
Explanation:
To identify the host cell that has taken up the gene of interest