Approximately 3.7 million years ago, two or three hominins left their footprints across the savanna of modern day Tanzania, clear evidence that
a. Apes were present in Tanzania
b. hominins walked bipedally
c. modern day Tanzania continues to be a savanna environment
d. hominins traveled in small groups
e. Tanzania is 3.7 million years old
b
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A descent group consists of a married couple and their children.
Answer the following statement true (T) or false (F)
Which of the following is an important difference between consumer spending in the developed versus the developing, world?
a. Developing nations produce goods for much less than developed nations, so consumers pay less. b. When prices are scaled to incomes, there is little difference between consumer spending in the developing and the developed world. c. Developing nations usually lack an industrial base, so they pay more for imported goods than developed nations do. d. Developed nations produce goods for much less than developing nations, so consumers pay less
The two species of early hominins known from South Africa are:
A. Australopithecus anamensis and Australopithecus afarensis B. Australopithecus afarensis and Paranthropus boisei C. Australopithecus africanus and Paranthropus robustus D. Ardipithecus ramidus and Australopithecus afarensis
Why do hormone-disrupting chemicals raise particular concerns regarding human health today?
What will be an ideal response?