Which one of the following activities is responsible for the greatest threat to biodiversity?
A. Overharvesting by hunters and fishers.
B. The conversion of forests and prairies to farmland.
C. Killing of predators that kill domestic animals and other animals people value for food.
D. The spread of exotic species.
Answer: B
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Which of the following is NOT evidence of global climate change?
A) disappearing rainforests B) rising sea level C) disappearing Arctic sea ice D) increasing atmospheric CO2 E) rising global average temperatures
All bottom-dwelling marine organisms that live on the seafloor or within seafloor sediments:a
anomalocarid d. chordate b. benthos e. ammonoid c. nekton
Most volcanoes are located in:
a. the Mediterranean belt. b. the mid-oceanic ridges. c. the circum-Pacific belt. d. the East African Rift Zone. e. Indonesia
In the state of Arizona, the use of groundwater has been aggressively managed since about 1980. Before that time, agricultural, commercial, and private demands for water were growing at levels that were not sustainable
Before water regulation of any type, demand for water in all its forms in the state of Arizona illustrated the A) need for limited access to commons. B) use of a nonrenewable resource. C) need for the preservation but not conservation of a resource. D) need for agreements such as CITES.