Which mammals have been hugely successful, partly because they can eat almost anything?
a. primates
b. creodonts
c. rodents
d. artiodactyls
e. perissodactyls
c
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Hydrocarbons
A) typically contain other elements besides carbon and hydrogen. B) occur only in particulate forms. C) are released into the atmosphere primarily through natural processes. D) cause substantial health problems in cities with high levels of air pollution.
A fault
A. is a fracture along which offset has occurred. B. is a seismic gap. C. is a fracture along which offset has not occurred. D. is a special type of fold.
Is a cold front or warm front shown in Map A?
Two hypothetical weather maps in the Northern Hemisphere are shown here. Using the appropriate symbols, draw in the position of the front on each map (one map shows a cold front, and the other a warm front). Top of each map is north.
What will be an ideal response?
During ecological succession,
A. the activities of earlier waves of colonizers cause nutrients and organic matter to accumulate in a habitat, allowing later colonizers to thrive. B. biodiversity usually increases over time. C. the number of species found in the habitat usually remains constant. D. both A and B