Zoos and aquariums globally serve many purposes. One of these is the captive breeding of highly endangered populations. One successful example of a captive breeding program in the United States would be
A. the California
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Zoos and aquariums globally serve many purposes. One of these is the captive breeding of highly endangered populations. One successful example of a captive breeding program in the United States would be
A. the California condor.
B. the wolf.
C. the bison.
D. the Florida panther.
E. the American alligator. - Answer>>> A
Scientists can hypothesize the anthropogenic contribution to global temperature change by comparing recent temperatures to historical values. A physical test for this comparison is done using
A. organismal concentration in ocean sediments.
B. changes in isotopic oxygen found in ice cores.
C. carbon-14 dating.
D. biogeochemical cycling.
E. paleoclimate models. - Answer>>> B
Attempting to assign monetary benefits of items that typically may only have intrinsic interest is a component of ecologic economics called
A. prioritization.
B. valuation.
C. leapfrogging.
D. monetary assumption.
E. intrinsic banking. - Answer>>> B
Which of the following statements about exotic species is true?
A. Exotic species are always a threat to biodiversity.
B. Exotic species are also called alien species.
C. Plant species are never exotic species since plants are not mobile.
D. Exotic species are only introduced accidentally, never intentionally.
E. Overharvesting is a direct cause of the introduction of exotic species - Answer>>> B
Which of the following characteristics is most likely to lead to an inbreeding depression?
A. Sexual reproduction
B. Large population
C. Gene flow
D. Low genetic diversity
E. Ecosystem variability - Answer>>> D
Global dimming is a phenomenon whereby incoming solar energy is reflected back into space prior to hitting the Earth's surface. A non-anthropogenic source of this dimming could be from
A. heightened volcanic ash in the atmosphere.
B. soot from coal fired power plants.
C. methane emission from livestock.
D. forests burned for conversion to agriculture.
E. decreased reflectivity of snow and ice from particulates. - Answer>>> A
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