During glacial periods, the climate in Africa became
a. colder
b. warmer
c. more arid
d. more humid
e. subzero
c
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Estrus swelling only occurs __________
a. in females b. when a female is ovulating c. in the presence of males d. in monkeys and prosimians, but not in apes
Most scientists agree that __________ is the most likely root ancestor of the australopithecines
a. Australopithecus aethiopicus b. Australopithecus anamensis c. Australopithecus bahrelghazali d. Kenyanthropus playtops
In the debate of how speciation occurs, advocates of punctuated equilibrium
A. define species the same way creationists and gradualists do. B. describe macroevolution as the gradual accumulation of evolutionary changes over time. C. suggest that long periods of stability, during which species change little, are interrupted by evolutionary leaps. D. agree with the advocates of intelligent design on views about the flaws in fossil-dating techniques. E. have revived Darwin's classic description of change over time.
Lemurs are_____ and baboons are ______.
Fill in the blank(s) with the appropriate word(s).