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The muscles connected to the ears of a human do not develop enough to have the same mobility allowed to monkeys. Arrows show the vestigial structure called Darwin's tubercle. In the context of human evolution, vestigiality involves those traits occurring in humans that have lost all or most of their original function through evolution. Although ...
Vestigiality is the retention, during the process of evolution, of genetically determined structures or attributes that have lost some or all of the ancestral function in a given species. [1] Assessment of the vestigiality must generally rely on comparison with homologous features in related species.
This phenomenon is an automatic-response mechanism that activates even before a human becomes consciously aware that a startling, unexpected or unknown sound has been "heard". [ 2 ] That this vestigial response occurs even before becoming consciously aware of a startling noise would explain why the function of ear-perking had evolved in animals.
The timeline of human evolution outlines the major events in the evolutionary lineage of the modern human species, Homo sapiens, throughout the history of life, beginning some 4 billion years ago down to recent evolution within H. sapiens during and since the Last Glacial Period.
The Tell-Tale Brain is Ramachandran at his best, a profoundly intriguing and compelling guide to the intricacies of the human brain." [5] The scientist Allan Snyder said of the book: "A masterpiece. The best of its kind and beautifully crafted. Alluring story telling, building to a penetrating understanding of what it is to be uniquely human.
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The book offers plainspoken advice primarily for women, telling them not to let anyone besides themselves define what makes them happy. It is filtered through stories of the charmed life of ...
The Royal Society of Biologists in the UK shortlisted the book in its 2015 Book Awards. [16] Bill Gates ranked Sapiens among his ten favorite books, [17] and Mark Zuckerberg also recommended it. [18] Kirkus Reviews awarded a star to the book, noting that it is "the great debates of history aired out with satisfying vigor". [19]