Common-ancestor sentence example

common-ancestor
  • Such a comparison is necessarily illogical, as the existing apes are separated from the common ancestor by at least as large a number of generations as separate it from any of the forms of existing man.

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  • An extended family tree takes in all known descendants from a common ancestor.

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  • The victor of Flodden is the common ancestor of all living Howards that can show a descent from the main stock.

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  • His homologous structures are now spoken of as " homogenetic " structures, the idea of community of representation in an archetype giving place to community of derivation from a single representative structure present in a common ancestor.

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  • John, duke of Saxe-Weimar, who died in 1605, is regarded as the common ancestor of the present Ernestine lines.

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  • The gastrula has now become an actinula, which may be termed the distinctive larva of the Cnidaria, and doubtless represents in a transitory manner the common ancestor of the group. In no case known, however, does the actinula become the adult, sexually mature individual, but always undergoes further modifications, whereby it develops into either a polyp or a medusa.

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  • Whether the two families have a common ancestor in the negritos of Malaysia and the Indian archipelago, or whether Papuan and Negrito are alike branches of an aboriginal African race, is a problem yet to be solved.

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  • Count Gunther XL., who died in 1552, was the last common ancestor of both lines.

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  • The name " Hebrew " is derived, through the Greek `E$3paios, from `ibhray, the Aramaic equivalent of the Old Testament word `ibhri, denoting the people who commonly spoke of themselves as Israel or Children of Israel from the name of their common ancestor (see JEws).

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  • Buffon, in a cautious, tentative fashion, suggested rather than stated the mutability of species and the influence of the forces of nature in moulding organisms. Immanuel Kant, in his Theory of the Heavens (1755), foreshadowed a theory of the development of unformed matter into the highest types of animals and plants, and suggested that the gradations of structure revealed by comparative anatomy pointed to the existence of blood relationship of all organisms, due to derivation from a common ancestor.

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  • The type is very closely related to the oldest European (Etruscan) forms, and, in a less degree, to the " South Semitic " (old Minaean and Sabaean); and since it at once begins (c. 700) to develop along separate paths (Canaanite and Aramaean), it may be inferred that the common ancestor was not of long derivation.

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  • At the parting of the ways which led, on the one hand, to modern Scyphomedusae, on the other to Anthozoa (III.), it is probable that the common ancestor was marked by incipient mesenteries and by the limitation of the sexual cells to endoderm.

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  • Tuath, Cinel and Clann were synonyms meaning a small tribe or nation descended from a common ancestor.

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  • It might be possible to prove the origin of all classes from Pelmatozoa, without thereby explaining the origin of such fundamental features as radial symmetry, the developmental metamorphosis, and the torsion that affects both gut and body-cavities during that process; but the acceptance of a Dipleurula as the common ancestor necessitates an explanation of these features.

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  • They ruled out the claimof Robert Bruce, the son of Davids second daughter, who had raised the plea that his descent was superior because he was a generation nearer than Baliol to their common ancestor.

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  • The Arthropod eye appears to be an organ of special character developed in the common ancestor of the Euarthropoda, and distinct from the Chaetopod eye, which is found only in the Onychophora where the true Arthropod eye is absent.

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  • The tribe, clan and section are alike distinguished by patronymics formed from the name of the common ancestor by the addition of the word zai or khel; zai being a corruption of the Pushtu word zoe, meaning son, while khel is an Arabic word meaning an association or company.

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  • Dr Bather justifiably anticipates further discoveries, but if, already in Silurian as in modern times, the members of these families had to pass through nauplius and cypris stages to maturity, there is one " enormous gap " between them and the common ancestor of the crustacean class that will not be easily filled.

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  • From Hyracotherium, which is closely related to the Eocene representatives of the ancestral stocks of the other three branches of the Perissodactyla, the transition is easy to Phenacodus, the representative of the common ancestor of all the Ungulata.

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  • A due consideration of it leads to the curious paradox that if any two animals be compared, the zoologically lower will be separated from the common ancestor by a larger number of generations, since, on the average, sexual maturity is reached more quickly by the lower form.

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  • The earliest representatives of the Tylopoda according to Professor Scott is the Middle Eocene genus Homacodon, typifying the family Homacodontidae, which is regarded as the common ancestor of both Camelidae and Oreodontidae, with resemblances to the European Oligocene genus Dichobune (see Artiodactyla).

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  • It is particularly helpful to see the relationship between relatives of a common ancestor.

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  • With mtDNA testing, you may find that you share a common ancestor with another person, but the test can't tell if this is someone who lived 100 years ago or 500 years ago.

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  • The cause of such agreement is, according to Grisebach, shrouded in the deepest obscurity, but it finds its obvious and complete explanation in the descent from a common ancestor which he would unhesitatingly reject.

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