Which statement makes a prediction for the hypothesis "bird species have decreased in number in a particular wetland due to construction traffic"?
A) If a wetland area is disturbed by construction vehicles, then the number of bird species will decrease.
B) If construction vehicles are in a wetland, then the birds will become too frightened to reproduce.
C) If bird numbers decrease in a wetland, then construction vehicles must have polluted the environment.
D) If construction vehicles enter a wetland, then new predators will arrive and reduce the bird populations.

Question

Quizplus · Accepted Answer

This statement sets a clear cause-and-effect relationship between the disturbance by construction vehicles and a decrease in the number of bird species, which formulates a testable prediction for the hypothesis. The other choices either make irrelevant claims or lack a clear prediction for the proposed cause-effect relationship.

Which Statement Makes a Prediction for the Hypothesis "Bird Species