Isabella Is Studying Two Populations of Butterflies That Live on Opposite

question 95

Multiple Choice

Isabella is studying two populations of butterflies that live on opposite sides of a large lake.According to the biological species concept,which of the following would indicate that these two populations represent two separate species? Select the TWO answers that are correct.

• A) For sperm transfer in mating,the clasping organs of the males in one population are not suitable for holding onto the abdomen of the females in the other population.
• B) The caterpillars of the two groups eat different plants,with one feeding on the leaves of apple trees and the other feeding on the leaves of cherry trees.
• C) The population of butterflies north of the lake is much larger than the population of butterflies south of the lake.
• D) The population of butterflies north of the lake breed in early spring,whereas the population south of the lake breeds in late summer.
• E) The frequency of certain traits varies in each population,with 25% of the butterfly population north of the lake having a wingspan greater than 6 cm and only 5% of the south population having such a wingspan.

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