Which Situation Would Most Likely Pose a Major Difficulty for Applying

question 210

Multiple Choice

Which situation would most likely pose a major difficulty for applying the biological species concept?

• A) Two populations of sexually reproducing plants that can be bred easily in the same location under field conditions
• B) Two populations of sexually reproducing insects that can be bred easily in the same location under field conditions
• C) Five snail fossils taken from the same locality during a 400,000-year time span
• D) Dimorphic mating pairs of birds
• E) Monomorphic mating pairs of birds