Which of the Following Is of Least Importance When Concerning

Multiple Choice

Which of the following is of least importance when concerning the preservation of ecosystems?

A) Ecosystem preservation maintains the status of species in their current state.
B) Many different organisms perform services that ensure our continued existence.
C) Humans derive medicines,food,and many important materials from functioning ecosystems.
D) Preservation of ecosystems allows humans to exploit as many resources as possible.
E) It is estimated that possibly 400 species become extinct each day due to activities of humans.