Examlex
What is the evolutionary relationship between humans and australopithecines? Compare and contrast the features of genus Homo with those of the australopithecines. Include a discussion of the placement of different species of Australopithecines on the human family tree. Which are thought to be on side branches and which are considered to be direct ancestors of Homo? What features do paleoanthropologists use to make these distinctions?
Artificial Selection
The process by which humans breed plants or animals for particular genetic characteristics.
Directional Selection
Mode of natural selection in which forms of a trait at one end of a range of variation are adaptive.
Disruptive Selection
Mode of natural selection in which forms of a trait at both ends of a range of variation are adaptive, and intermediate forms are selected against.
Hybrid Sterility
A condition in hybrids between different species where the offspring are sterile, unable to produce viable gametes.
Q1: Upper Paleolithic artisans made stone tools in
Q4: Anthropologists use the ethnosemantic approach to study
Q5: Cultural anthropologists use archival data to provide
Q8: _ acts as an intermediary between the
Q13: The areas inhabited by most chiefdoms have
Q17: According to ethnographic studies, Australian Aboriginal hunter-gatherers
Q32: Where does oxygen release the energy stored
Q34: The contraction of the prostate gland during
Q45: Which condition is the most common cause
Q47: viral STD that may cause lesions in