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The human eye, showing the iris and pupil. In 1802, philosopher William Paley called it a miracle of "design."In 1859, Charles Darwin himself wrote in his Origin of Species, that the evolution of the eye by natural selection seemed at first glance "absurd in the highest possible degree". [3]
Eye-rolling is often accompanied by crossing of the arms and throwing the head or body back in an increased effort to symbolize avoidance or displeasure. [ 6 ] A study conducted by John Gottman states that contemptuous behavior like eye-rolling is the top factor of predicting divorce, followed by criticism, defensiveness, and stonewalling . [ 7 ]
A study by the Max Planck Institute for Evolutionary Anthropology noted that "these hypotheses are not mutually exclusive, and highly visible eyes may serve all of these functions." [ 2 ] The cooperative eye hypothesis has been questioned based on examinations of the correspondence between known eye-gaze following behaviors and patterns of (de ...
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Ultimate (evolutionary) view Why a species evolved the structures (adaptations) it has Phylogeny (evolution) The history of the evolution of sequential changes in a species over many generations Function (adaptation) A species trait that solves a reproductive or survival problem in the current environment
A wheeled buffalo figurine—probably a children's toy—from Magna Graecia in archaic Greece [1]. Several organisms are capable of rolling locomotion. However, true wheels and propellers—despite their utility in human vehicles—do not play a significant role in the movement of living things (with the exception of the corkscrew-like flagella of many prokaryotes).
The critter’s robust skull had additional bones and elements that have likely disappeared with evolution, and its elongated snout paired with a short region of the skull behind the eyes was ...
“But never zero,” a new caption warns as K.J.’s suddenly sinister eye-rolling footage rolls. The Canadian tot has her aunt, artist Lydia Berube , to thank for her brush with viral fame.