Which of the following four statements about species is MOST accurate?
A - Animals which look different are classified as different species
B - Animals which do not mate with each other or could mate with each other given the opportunity as members of the same species
C - Plants which cannot mate with each other because they are located too far apart are different species
D - Animals which become separated geographically become different species
Answer: B - Animals which do not mate with each other or could mate with each other given the opportunity as members of the same species
A SPECIES is an individual evolutionary unit. They are able to mate with each other and produce fertile offspring.