In a town in England, the wings of a local butterfly species had ...

[rachel9]

In a town in England, the wings of a local butterfly species had a black and white pattern. Over the years, as air pollution worsened in the town, a coat of black soot often covered everything. From an evolutionary perspective, which of the following is a logical sequencing?
◦ Butterflies became blacker because the ones with relatively more black on their wings were most likely to blend in with the sooty background.
◦ Butterflies became lighter because the ones with relatively more white on their wings were least likely to blend in with the sooty background.
◦ Butterflies became more aggressive because their behaviors were altered by the toxins that were in the black soot.
◦ Butterflies morphed into moths because environmental conditions triggered an unfolding of a hidden gene.

[ApricotDream]

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[rachel9]

Thanks for the timely response, appreciate it

[chereeb]

Wow, this really help