Multiple Choice
Which factor would scientists consider evidence that humans are causing the current mass extinction?
A) The extinction rate is lower than extinction rates from natural causes.
B) We can count the number of species currently going extinct.
C) Megafauna on all continents began to go extinct shortly after humans arrived.
D) Mass extinctions have occurred throughout history.
E) The extinctions are occurring only in regions densely populated by humans.
Correct Answer:
Verified
Correct Answer:
Verified
Q201: Over several years, a natural prairie area
Q202: Cheetah populations around the world have very
Q203: Species are affected by rising temperatures, rising
Q204: Which process would not be considered an
Q205: In Sumatra, Indonesia, tiger populations are decreasing
Q207: Refer to the graphs. <img src="https://d2lvgg3v3hfg70.cloudfront.net/TB5650/.jpg" alt="Refer
Q208: Twenty percent of all humans depend on
Q209: Refer to the figure. <img src="https://d2lvgg3v3hfg70.cloudfront.net/TB5650/.jpg" alt="Refer
Q210: Refer to the table. <img src="https://d2lvgg3v3hfg70.cloudfront.net/TB5650/.jpg" alt="Refer
Q211: Elephants on Africa's Serengeti plains eat small