During the Past 30 Years Amphibians Have Declined at an Alarming

During the past 30 years amphibians have declined at an alarming rate. Some scientists believe the decline is occurring because amphibians are

A) running out of food.
B) highly sensitive to environmental deterioration and have simply responded more quickly than other animals.
C) less highly evolved than other animals and lack the capacities to resist habitat change.
D) moving to more obscure locations to escape the impact of pollution.