One of the best examples would be Archaea
Answer:
I believe the answer is D for the top one
As the population of rabbits goes up, the coyote population rises shortly after. Between 1995 and 2000, the rabbit population began to drop drastically. The coyotes, having no constant food source, began to drop in numbers shortly after.
The strands are suppose to be exactly same when replication is complete, so you would not be able to tell the difference.