Which of the Following Statements Is a True Effect of Declining

Multiple Choice

Which of the following statements is a true effect of declining biodiversity?

A) The Earth's biodiversity plays a major role in feeding the world's people.
B) Medical and pharmaceutical researchers will be able to bank DNA from extinct species.
C) Fewer species mean fewer animals exhaling CO₂, thus preventing global warming.
D) We must improve conditions for endangered animals so that they can breed in captivity, otherwise we will lose part of the beauty and complexity of our natural environment.