How could stem cells prove in the treatment of cardiovascular diseases?
a) stem cells can differentiate to form heart muscle cells.
b) stem cells form white blood cells, which boosts the body’s immunity.
c) stem cells divide to form red blood cells, which reduce hypertension.
d) stem cells perform apoptosis to remove old cells from the heart muscles

How does the fossil record provide evidence that the modern whale evolved from the anthracotheres? a) the modern whale looks like their ancestor the anthracotheres. b) the modern whale has all of the same structures as their ancestor. c) there is not enough evidence to suggest the the modern whale evolved from the anthracotheres. d) the anthracotheres has a structure that is still present in the modern whale, but is no longer of use to the modern whale.