A prairie grass may experience grazing herbivores, wildfires, droughts, deep snow, or blazing hot days in the summer. Yet, those prairie grasses alive today are descendants of those that have survived these challenges and more
From an evolutionary perspective, these sorts of environmental challenges are identified as A) herbivory.
B) predation.
C) selective pressures.
D) reproductive isolation.
C
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What environmental worldview proposes that we are part of and dependent on nature and that the earth's life-support systems exists for all species, and not merely for us?
A. planetary management B. stewardship C. environmental wisdom D. national origin E. technological
The central American country that was carved out of Colombia in order to build a canal is
A. Nicaragua B. Costa Rica C. Panama D. Honduras
On the Pacific Islands of Oceania, which climate would you expect to find?
A) humid continental B) humid tropical C) tundra D) semiarid
Forecasts of the Mt. St. Helens eruption in 1980 were ____
a. ?accurate about the force of the eruption, but not its timing b. ?mostly incorrect, leading to mistrust by local authorities and residents c. ?mostly correct, but were not acted on properly by authorities and residents d. ?not made, because the proper technology had not been developed e. ?correct, but did not reach local authorities in time to act on them