Answer: dinosaurs and birds
Plentiful collection of f<span>ossils of early birds and their most immediate predecessors has settled the century-old controversy about the origin of birds. Birds are now safely declared to evolve from a group of dinosaurs known as maniraptoran theropods. Birds have similar shape of the bones as a variety of maniraptorans have. A host of fossils have shown also that the maniraptorans lay looked alike eggs as that of birds and they resemble the birds in the way they laid their eggs also. Those reasons prove that they are most closely related.</span><span>
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Based on the description, I believe your answer would be
B.) The sun heats the Earth's atmosphere
Hope this helps!<span />
For the answer to the question above asking what<span> differences would you expect to see in a population made up of individuals whose chromosomes experience crossing-over frequently compared with a population made up of individuals whose chromosomes do not cross over? My answer is that </span>I'd expect a larger gene pool and more diversity in the population whose chromosomes frequently cross-over or m<span>uch more genetic variability. </span>
<span>for example different phenotypes are most likely exhibited.</span>