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History
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Charles Darwin
Charles Darwin
Bird feathers of various colors
Bird feathers of various colors
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White peppered moth
White peppered moth
Black morph in peppered moth evolution
Black morph in peppered moth evolution
Male moor frogs become blue during the height of mating season. Blue reflectance may be a form of intersexual communication. It is hypothesised that m
Male moor frogs become blue during the height of mating season. Blue reflectance may be a form of intersexual communication. It is hypothesised that males with brighter blue coloration may signal greater sexual and genetic fitness.
The common garter snake has evolved resistance to the defensive substance tetrodotoxin in its amphibian prey.
The common garter snake has evolved resistance to the defensive substance tetrodotoxin in its amphibian prey.