SAT Subject Biology Practice Question 467: Answer and Explanation
17. Situation 1: A species of moth is preyed on by bats. Over hundreds and hundreds of years, the moths develop a sophisticated pattern of flying when they hear the screech of a bat. This helps them escape danger. Other changes occur as well, and when an attempt is made to mate the current moth with its ancestor moth, no viable eggs are produced.
Situation 2: A species of frogs is living in a pond near an earthquake fault line. A sizable earthquake separates the frog population into two separate populations. After hundreds and hundreds of years, the two groups are unable to mate.
Consider Situation 2. Because the two groups of frogs are unable to mate, they are now considered to be different
Correct Answer: C
C This is the definition of a species!