Which of the Following Is True About Extinction

question 23

Multiple Choice

Which of the following is true about extinction?

• A) Overexploitation by hunting and fishing is the foremost threat to tropical animals and plants.
• B) Without human activity, all species would survive and there would be no extinctions.
• C) There are many causes of extinctions and an animal or plant may go extinct for any of a combination of these factors.
• D) Commercial hunting and fishing are careful not to deplete animal reserves.
• E) Introduction of new alien species helps preserve biodiversity and slow extinction.