Mary Leakey is most known for:
a. her discovery of Ardipithecus ramidus.
b. her study of Oldowan tools.
c. her work as an assistant to Louis Leakey.
d. her studies of chimpanzees.
e. proving the existence of the molecular clock in human origins.
b
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Vocalizations that refer to specific objects in the environment are called ________
Fill in the blank(s) with correct word
What is the primary problem with the hydraulic theory? a. It does not explain every cultural case
b. Irrigation was not essential to the earliest civilizations. c. Some civilizations developed without farming. d. It is skewed to Western case studies.
Political power in horticultural society is mostly associated with:
a. kinship. b. status. c. prestige. d. gender.
With cladogenesis __________
a. species A become species B b. species A and species B cannot coexist c. species A might branch into two or more species d. species A goes extinct before it can produce species B