Regarding the peppered moth, many studies have shown that in polluted areas, the Blank______ form of the moth is favored by natural selection, and in unpolluted areas, the Blank______ form of the moth is favored.Multiple choice question.toxic; nontoxicdark (melanic); light (peppered)nontoxic; toxiclight (peppered); dark (melanic)

The observation that the relative frequencies of melanic to light peppered moths changes with the color of tree bark provides support for Blank______.Multiple choice question.human-induced selectionnatural selectionindustrial selectionindustrial pollution

In 1896, J. W. Tutt proposed that light colored peppered moths were more visible to predators on Blank______.Multiple choice question.sooty trees that have lost their lichens due to pollutionthe trunks of white birch treestrees that have died due to heavy pollution

In certain polluted areas of the world, populations of moths have been shown to change over the years with dark forms becoming more abundant than light forms; this phenomenon is called Blank______.Multiple choice question.industrial melanismartificial melanismpollution melanismnatural melanism

Which of the following statements best describes evolution taking place in the peppered moth population?Group of answer choicesA single moth changed itself from light to dark.All the members of the moth population changed their color from light to dark.The peppered moth population had more dark moths after several generations.The moths all died.

Scientists have observed that when air pollution is significantly reduced, the frequency of the melanic form of peppered moths Blank______.Multiple choice question.decreasesrandomly fluctuatesincreasesremains constant