A lower incidence of lactose intolerance in some human populations can be tied to:
A.a cultural environment with a strong emphasis on pastoralism
B.a genetic point mutation that prevents some humans from producing lactase
C.a recent history of consumption of fresh milk
D.all of the above
E.only A and C
Which of the following is an important element of primatological studies?
A.understanding reproductive patterns
B.providing knowledge for preserving endangered primates
C.the study of communication
D.understand natural forces that have shaped human evolution
E.all of these
How do the European Homo heidelbergensis fossils compare in morphology to those
from Africa?
A.They have retained a greater number of primitive Homo erectus features.
B.They show the development of a larger number of different derived traits.