Describe the shared derived traits of the Superfamily Hominoidea and the Family Hominidae.
Hominoidea: large brain, flexible thumb, no tail, more
erect posture
Hominidae: reduced hairiness, elongated skull, enlarged brow ridges, short canine teeth
Explain why hominin phylogeny based on the fossil record is difficult to interpret, but that it shows a general pattern of change over time.
Describe the three hypotheses about the origin of modern Homo sapiens from Homo erectus ancestors.
Out of
Hybridization
and assimilation
Multiregional
Explain the evidence that supports the “out of
Added to Speciation
Lecture (still required objectives)
Describe the evidence required to establish that modern human racial groups have a biological basis.
Unique
racial alleles
Allele frequency similarity within a race but not among races
Describe the adaptive relationship between UV light level and skin color in human populations.