Diagram 1 shows the fossilized remains of the lower portion of a camel’s leg. each subsequent diagram shows the same portion of a camel’s leg, but the diagram are progressively later time periods. Diagram 4 shows the most recent fossil. These diagrams demonstrate...

A: that all living organisms have increased in size over time
B:that modern camels have more toes than earlier species of camels.
C: how fossil evidence can be used to show the evolution of a species over time.
D: how fossil evidence can not be used to support evolution.