Over the past decade, the salinity of high-latitude oceans has ________ due to________.
A) increased; ocean absorption of excess atmospheric carbon dioxide and associated coral die off
B) declined; coastal erosion caused by changes in stream flow and increased precipitation
C) increased; higher evaporation rates associated with climate change
D) declined; freshwater inputs from melting ice
E) increased; changes in thermohaline circulation associated with the Pacific Decadal Oscillation
Question 2
A recent viral video entitled How Wolves Change Rivers argues that the reintroduction of wolves to Yellowstone after a 70 year absence led to multiple changes in the biodiversity and ecology of the park. This is an example of a(n)
A) pioneer community.
B) autotroph.
C) primary succession
D) trophic cascade
E) eutrophication
Where mangrove diversity is high, mangrove species show clear patterns of vertical zonation relative
(a) With few ticks, moose retain a brown coat; (b) at high numbers of ticks, moose self-groom, destr
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