Chimpanzees are said to be the first herbalists because they
A) use leaves to wipe their bodies
B) chew on the leaves of Aspilia, a plant which local people use as a medicine and may contain a antibiotic
C) eat a wide variety of the leaves of plant species
D) eat a wide variety of plant species some of which are herbs
E) treat other, ill, chimpanzees with two herbs known to have medicinal value
B
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The household is an economic unit
Indicate whether the statement is true or false
In formulating his theory of natural selection, Darwin did not:
a. appreciate the fact that population size is limited by availability of food. b. recognize the importance of biological variation within a population. c. wonder if he had enough supportive data. d. apply his knowledge of domesticated species to undomesticated ones. e. claim that favorable variations would tend to be destroyed, unfavorable ones be preserved.
The study of the distribution of layers of rock is called __________
a. geology b. biostratigraphy c. taphonomy d. stratigraphy
The Harappan civilization was characterized by all of the following EXCEPT:
A. a standardized system of weights. B. highly developed craft industries. C. planned settlements with streets and drains. D. beautifully colored murals depicting scenes of harvest and worship. E. a written script found on soapstone seals.