Conclusions about human evolution rely upon ____
a. stratigraphic ranges of early hominids
b. pictograms and petroglyphs on cave walls
c. fossil evidence and DNA similarities
d. geographic ranges of early hominids
e. reproductive methods of early hominids
c
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Complete the concept map by selecting the correct responses from the lists provided. 
Complete the concept map by selecting the correct responses from number 5.
A. Locked fault B. Strike-slip fault C. Normal or reverse fault
What does the presence of mudcracks indicate about the paleoenvironment?
A) There was immense pressure placed on these sediments, resulting in stress fractures. B) There was a current of water flowing in one direction. C) Waves were lapping on the shoreline of the ocean. D) There was a wet environment that is drying up.
What makes it possible for the coexistence of several warbler species that feed on the same insect larvae?
A) The birds eat in the same portion of different evergreens. B) Some of the warblers are diurnal and some nocturnal. C) The warblers do not experience intraspecies competition. D) The birds eat in the same area of different fir and spruce trees. E) The birds eat in the different portions of the forest canopy.
Which of the following is not an area thickly covered with loess?
A) Portions of Southern Africa B) Portions of the central United States C) Portions of eastern China D) Portions of Argentina E) Portions of Russia