why do butterflies have spots?

Possible Answer:
Some moths and butterflies bear circular, high-contrast marks on their wings that have long been thought to scare off predators by mimicking the eyes of the predators' own enemies. Not so, say Martin Stevens and two colleagues at the University of Cambridge in England, who argue the marks work - read more

Possible Answer:
Best Answer: In the case of the monarch butterfly: These dots are made of specialized scales that, in some butterflies, emit a chemical used in courtship. Even though this ... - read more

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