If there were no predators in the forest, moths would not require to change its color as the adaptation took place to protect themselves from the predators.
• Due to the presence of many predators, the moths and their caterpillars have evolved several tricks to prevent themselves from being eaten.
• They used camouflage, with slight change in colors and pattern that helped them to get mix with the surroundings, and thus helped them from detecting by the predators.
• They were mainly at risk of getting spotted in the daylight, so they evolved to comprise different patterns and colors in order to hide themselves from the predators.
• In case, if there were no predators in the forests, then there would be no requirement for the changes by the moths, and they would be able to survive and reproduce without any fear.
Thus, the colors of the moths would have not changed with time if there were no predators in the forests.
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