in which some Homo antecessor teeth have also been included , the results of which show that the populations of the Pleistocene of Atapuerca already showed the pattern considered typically Neanderthal in their enamel volumes and dentin . “The teeth of Sima de Los Huesos have large dimensions of dentin in their crown and root, as well as thin enamel. This histological pattern has traditionally been considered a distinctive feature of Neanderthals, and has made it possible to differentiate them both from other groups and from modern humans, ”says Cecilia García Campos, lead author of the article. “The teeth of Sima de los Huesos have large dimensions of dentin in their crown and root, as well as a thin enamel,” says Cecilia García Campos. Furthermore, the results of this study could support an early appearance of this characteristic dental feature,

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which was observed as early as 800,000 USA Email List years ago in H omo antecessor , remaining in later groups during the Middle Pleistocene. Neanderthal lineage The fossils found in Sima de los Huesos were initially considered to belong to the taxon Homo heidelbergensis, a species that populated Europe before the Neanderthals, whose name comes from the jaw found in the town of Heidelberg (Germany). However, a study led by Juan Luis Arsuaga, from the UCM-ISCIII Mixed Center for Evolution and Human Behavior, and published in 2014 in the journal Science, questioned this assignment, proposing to remove the Sima population from this taxon by the obvious similarities it presented with Homo neanderthalensis . Subsequently, two genetic studies of the Sima de los Huesos, published in the journal Nature in 2014 and 2016, reinforced this decision by showing that

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these hominids belonged to the Neanderthal evolutionary lineage due to their close relationship with the Neanderthal ancestors. “The results obtained from the dental histology of the individuals from the Sima de los Huesos support the close relationship that must have existed between the hominids of the Middle Pleistocene of Atapuerca and the later Neanderthal groups that inhabited Europe”, points out Cecilia García Campos.The Sustainability Office interviews Free Espinosa Torre , researcher and professor at the University of Seville, about the work he develops in his research group, the Marine Biology Laboratory , in the field of conservation of marine invertebrates such as the limpet Patella ferruginea . Q. When we talk about protecting endangered species, we usually imagine lynxes or elephants. But we are not aware that there are small animals that need protection. In your case,

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