13. the greek word karuon means "nut." the prefix pro-

means "before," and the prefix eu- means "true." thus,

prokaryote means "before nut," and eukaryote means

"true nut." how do these meanings relate to structural

differences between these two cell types?

Why do you sandy beaches form at many sea shores

When a human or animal consumes food, the carbon in that food is most likely to be converted into which of the following elements? a. carbon remains carbon b. nitrogen c. oxygen d. hydrogen

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.