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It is anticipated that chameleons will have distinct evolutionary responses to environmental changes. Given the anticipated rise in temperature and decrease in the amount of water in rainforests, chameleons are expected to adapt to arid environments, hence increasing their capacity to withstand extended periods of drought. They might develop a second eyelid to protect their eyes from dust and small minerals. Longer and stronger claws may develop in response to environmental obstacles brought on by the declining water supply, which would help chameleons navigate their altered environments. A mucus layer may develop to protect chameleons from drying out and to keep them calm and hydrated.