Due to global warming what occurred in fish in the North and Celtic seas?
A) Species richness increased.
B) Species richness declined.
C) Fewer deep-water species were present.
D) Fewer shallow-water species were present.
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In which group of organisms has the timing of spring events changed the most in response to climate change?
A) birds
B) butterflies
C) amphibians
D) trees
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Which of the following is strongly associated with net primary productivity?
A) sea surface temperatures
B) actual evapotranspiration
C) ocean biodiversity
D) increased altitude
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The formation of carbonic acid in the oceans directly results in
A) increased sea surface temperatures.
B) inhibition of shell growth in marine animals.
C) increased marine biodiversity.
D) increased pH.
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In what layer would one find salamanders in a deciduous forest?
A) canopy
B) shrub layer
C) understory
D) ground
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What is formed when an accumulation of peat rises above the surrounding landscape?
A) moors
B) fens
C) mires
D) marshes
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Which order of stream would likely be found at the highest elevation?
A) first order
B) second order
C) third order
D) fourth order
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The productivity of oceans is greatest in the
A) neritic province at tropical latitudes.
B) oceanic province at tropical latitudes.
C) neritic province at temperate latitudes.
D) oceanic province at temperate latitudes.
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The hydroperiod of a wetland is longest for
A) riverine wetlands.
B) basin wetlands.
C) fringe wetlands.
D) coastal wetlands.
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The vegetation formation dominated by needle-leaf evergreen trees and occurring where growth is restricted to a few months of the year due to low temperatures is referred to as
A) temperate deciduous forest.
B) tundra.
C) boreal forest.
D) temperate shrubland.
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