Question

a scientist makes the argument that two species of butterflies should be considered the same species because they have similar dna, similar wing length, and similar migration patterns. the butterflies also have variations in color patterns and different mating seasons. which piece of evidence would most go against the scientists argument and suggest that the butterflies are actually different species? the butterflies have similar wing structure. the butterflies have different mating seasons. the butterflies have similar migration patterns. the butterflies have variations in color patterns.

Explanation:

To determine which evidence goes against the scientist's argument, we analyze the options:

• Similar wing structure (first option) and similar migration patterns (third option) support the argument that they are the same species, so they are eliminated.
• Variations in color patterns (fourth option) are less critical for species distinction compared to reproductive isolation.
• Different mating seasons (second option) lead to reproductive isolation, a key factor in defining different species (as they can't interbreed due to non - overlapping mating times), which strongly contradicts the scientist's claim.

Answer:

B. The butterflies have different mating seasons.