Compared with past estimates,extinction rates are currently high.What is the most plausible explanation for this increase?
A) Natural fluctuations in climate are causing extinctions.
B) Continental drift is causing rapid changes in climate; these changes, in turn, cause extinctions.
C) Previous extinctions make survival of contemporary species more difficult.
D) Humans are affecting many aspects of the global environment.

Question

Quizplus · Accepted Answer

Humans are affecting many aspects of the global environment, leading to habitat loss, fragmentation, pollution, introduction of non-native species, and overexploitation, all of which contribute to increased extinction rates.

Compared with Past Estimates,extinction Rates Are Currently High