Almost all the large mammals disappeared from North America by about 10,000 years ago.
A. hotspot
B. habitat loss
C. edge effects
D. megafaunal extinction
E. extinction vortex
D. megafaunal extinction
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What will be an ideal response?
Although extinction is a natural process and is ongoing, it is likely we are in a time of ____, an event in which many
different kinds of organisms become extinct in a relatively short period.
a. mass extinction b. genetic mutation c. geologic catastrophe d. loss of megafauna e. birth of new species
The water strider is an insect that skates across the water without sinking. The tips of its feet must be coated with molecules that are
What will be an ideal response?
Two different species of pines release their pollen at different times. This is an example of:
A) geographic isolation. B) mechanical isolation. C) behavioral isolation. D) temporal isolation.