6
QuizMultiple Choice

Topic Test

Question 6 • 5120VA Environmental Science Sem A

Which of the following poses the greatest risk for species extinction?

Answer
A
expansion of human cities
B
increased levels of pollution
C
intense hurricane activity
D
UV radiation and the hole in the ozone layer

Explanation

Expansion of human cities can destroy and fragment natural habitats, leaving species without enough food, shelter, or space to reproduce. Habitat loss affects many species over large areas, so it generally poses a greater overall extinction risk than intense hurricanes or the other listed threats. The correct choice is expansion of human cities.

AI-written and checked against the verified answer.

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