C.There must be variation within a population.
D.Natural selection only acts on traits that have reproductive consequences.
E.None of the above are incorrect.
The skeleton from the Abrigo do Lagar Velho site in Portugal has been offered as:
A.evidence for possible interbreeding between Neandertals and anatomically modern
humans
B.evidence for the Complete Replacement model of human origins
C.an example of a classic Cro-Magnon individual
D.evidence for the initial appearance of modern humans in Europe
E.evidence for the persistence of Classic Neandertals in Europe after 25,000 years
The development of Egyptian writing was:
A.a complex system of pictographs
B.Egyptian in form
C.inspired by Mesopotamian writing
D.all of the above
E.only A and C