Today, Earth is said to be undergoing a sixth mass extinction event, the first (and only) one caused by humans.This mass extinction event can best be distinguished from Earth's background extinction rate by considering the
A) type of animals going extinct.
B) location of most extinctions.
C) number of extinctions occurring per year.
D) fact that we now know the number of species present on Earth.
E) fact that it is caused by humans.
Correct Answer:
Verified
Q121: Refer to the graphs. Q122: A researcher is very concerned about organism Q123: Which of these is not currently a Q124: Which of these activities, occurring in marine Q125: Blue whales and humpback whales were both Q127: The government must assess a species' extinction Q128: The population of the California red-legged frog Q129: Tropical evergreen forests might be especially vulnerable Q130: Which of these populations is least likely Q131: Because giraffes are large and relatively friendly,
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