Environmental Science QUIZZES & EXAMS -10- 09/04/2012 42.One of the problems associated with the “green revolution” is that ___________. a.there is not enough food is produced for developing countries b.it is confined to highly developed countries c.it makes developing countries dependent on high-energy consuming imported technologies d.it has been rejected by developing countries due to conflicts with customary practices
43.All of the following are negative environmental impacts of the use of pesticides in industrialized agriculture except ___________.
44.The species richness of a community depends on all of the following factors except ___________.
45.Individuals within all populations of a particular species each have a unique combination of traits. This broad genetic base is known as ___________.
46.Which of the following statements about extinction is false? a.Extinction is the elimination of a species from Earth. b.Background extinction eradicates a large number of species during a relative short period of geologic time. c.Mass extinctions have occurred 5-6 times throughout Earth’s history. d.Extinction rates are accelerated by human activities.