Access to the details of a fossil hominid's dental growth therefore provides a great ... Then, as the amount of information to be transmitted increased, evolution would have favored an increase in ...

Perhaps most importantly, Lucy’s discovery foreshadowed a series of fossil finds that filled in the scientific picture of her species. By 1978, enough evidence had accumulated to establish Lucy as the ...

The fossils are from two extinct species Brasilodon quadrangularis and Riograndia guaibensis each of them small creatures less than 12 inches long (but about the same size as the ...