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Goose bumps are an example of a vestigial human reaction to stress. The formation of goose bumps in humans under stress is a vestigial reflex; a possible function in the distant evolutionary ancestors of humanity was to raise the body's hair, making the ancestor appear larger and scaring off predators.
Vestigial features may take various forms; for example, they may be patterns of behavior, anatomical structures, or biochemical processes. Like most other physical features, however functional, vestigial features in a given species may successively appear, develop, and persist or disappear at various stages within the life cycle of the organism ...
It is the oldest example of prehistoric music. [38] Europe, Baltic: Lithuania: 43–41: Šnaukštai near Gargždai: A hammer made from reindeer horn similar to those used by the Bromme culture was found in 2016. The discovery pushed back the earliest evidence of human presence in Lithuania by 30,000 years, i.e. to before the last glacial period ...
Scientific literature concerning vestigial structures abounds. One study compiled 64 examples of vestigial structures found in the literature across a wide range of disciplines within the 21st century. [73] The following non-exhaustive list summarizes Senter et al. alongside various other examples:
Archaic humans [a] is a broad category denoting all species of the genus Homo that are not Homo sapiens (modern humans), which are sometimes also called Homo sapiens sapiens, in which case the singular use of sapiens has been applied to some archaic humans as well.
Catarrhines lost the vomeronasal organ (or possibly reduced it to vestigial status). Proconsul was an early genus of catarrhine primates. They had a mixture of Old World monkey and ape characteristics. Proconsul's monkey-like features include thin tooth enamel, a light build with a narrow chest and short forelimbs, and an arboreal quadrupedal ...
To me if this is noteworthy, so would be (in addition to the webbing example) the fact that Europeans have more vestigial body hair (actually, everybody, from everywhere, have the same amount of hair or hair follicles than a chimpanzee, but they're just underdeveloped, if I correctly recall Desmond Morris' "the naked ape"), and Europeans and ...
In social sciences, atavism is the tendency of reversion: for example, people in the modern era reverting to the ways of thinking and acting of a former time. The word atavism is derived from the Latin atavus—a great-great-great-grandfather or, more generally, an ancestor.