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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. The emergence of vestigiality occurs by ...
Ileum, caecum and colon of rabbit, showing Appendix vermiformis on fully functional caecum The human vermiform appendix on the vestigial caecum. In modern humans, the appendix was once believed to be a vestige of a redundant organ that in ancestral species had digestive functions, much as it still does in extant species in which intestinal flora hydrolyze cellulose and similar indigestible ...
Publication place. United Kingdom. Vestiges of the Natural History of Creation is an 1844 work of speculative natural history and philosophy by Robert Chambers. Published anonymously in England, it brought together various ideas of stellar evolution with the progressive transmutation of species in an accessible narrative which tied together ...
Vestiges. Look up vestiges in Wiktionary, the free dictionary. Vestiges may refer to: Vestiges of the Natural History of Creation (1844), by Robert Chambers. Vestigiality, genetically determined structures or attributes that have lost some or all of their ancestral function. Category: Disambiguation pages.
v. t. e. Patrilineality, also known as the male line, the spear side[1] or agnatic kinship, is a common kinship system in which an individual's family membership derives from and is recorded through their father's lineage. It generally involves the inheritance of property, rights, names, or titles by persons related through male kin.
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Atavism. Early embryos of various species display some ancestral features, like the tail on this human embryo. These features normally disappear in later development, but it may not happen if the animal has an atavism. [1][2] In biology, an atavism is a modification of a biological structure whereby an ancestral genetic trait reappears after ...
Third eye. The third eye (also called the mind's eye or inner eye) is an invisible eye, usually depicted as located on the forehead, supposed to provide perception beyond ordinary sight. [1] In Hinduism, the third eye refers to the ajna (or brow) chakra. In both Hinduism and Buddhism, the third eye is said to be located around the middle of the ...