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Poison dart frogs use the toxins on their skin to defend themselves ,their bright colors warn the predators. They use their excellent vision to catch prey easier and their color helps them hide better. The environment may change, there might not be trees left anymore and the food they eat might not exist any more . The frogs might go extinct. How big they are will probably change and their color, along with what they eat. The trees might rott so there might not be as much oxygen as there used to be in the world. The colors on the poison dart frogs might be brightly colored now but as the years go on the colors might get darker and darker they might get sticky feet to stick to the trees they might get bigger and they will turn different colors to help blind in to their environment