Primary producers are organisms that a. rely on other organisms for their energy and food supply.
b. consume plant and animal remains and other dead matter.
c. are the first producers of energy rich com-pounds that can be used later by other organisms

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.