Which of the labels in the map below is where marsupials contribute to the unique fauna?
A) A
B) B
C) C
D) D
C) C
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According to the textbook, which of the following ideas is one of the three that form the foundation of environmental literacy?
A. Natural capital is expendable. B. Ecological footprints of the more-developed world are balanced by those of the less-developed world. C. Ecological tipping points are long-lasting and should not be crossed. D. Ecological tipping points can be balanced by reforestation and restoration efforts. E. Gloom-and-doom pessimism in the critical evaluation of experts and leaders.
Conservationists regard which of the following as their most powerful tool in protecting environmental quality?
A. Safe Drinking Water Act B. NEPA C. Clean Air Act D. National Forest Management Act E. ESA
Relative humidity indicates the:
A) chance of cloud formation. B) nearness to saturation for the air. C) probability of precipitation. D) actual amount of water in the air. E) chance for evaporation of water.
A species of bird had an original range covering the entire eastern half of the United States from New England down to Florida, west to the Rocky Mountains. During a period of glaciation, the eastern part of the range was cut off from the western part
for 2000 years. Then the glaciers melted and the birds' original range was reestablished. During the separation, the western birds evolved a slightly different song and a darker wing color. Ornithologists are now studying this species to determine whether speciation has taken place. What evidence should they look for in their study? What will be an ideal response?