Biology

Homo Sapiens — Chancelede

Chancelade skeleton, a human (genus Homo) skeleton discovered in a shelter made of rock at Chancelade, southwestern France, in 1888. The 17,000-year-old skeleton was discovered curled up beneath the shelter’s floor, indicating a deliberate burial. The Chancelade skull was examined by French anatomist Jean-Léo Testut, who determined that it was of Eskimo type and designated

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Biology, UPSC

History of Animal Genetics

The study of genes and their influence on living organisms is termed genetics. Hereditary, reproduction, and variability are the three properties of any living organism that can be determined using genetics. In other words, the factors which influence the appearance, survival, and functions of organisms are decided by the information in their genes.  In animals,

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Biology, UPSC

Himalayan Ibex

Until now, Indian ibex populations had been classified as one of the Siberian ibex (Capra sibirica) populations found on the outskirts of the species’ range. Ibex found in Tajikistan and the trans-Himalayan ranges of the union territory of Jammu & Kashmir and the state of Himachal Pradesh, also known as Himalayan ibex, appear to be

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Biology, UPSC

Growth Promoters

The meat industry is a billion-dollar industry. Throughout the year, people consume different types of meat. This industry’s substantial growth is due to the rising demand for meat, globally. With the increase in population, the consumption of meat is also increasing. As a way forward for this growing demand, the animal husbandry industry started to

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Biology, UPSC

Grimaldi

Grimaldi man was given to two Upper Palaeolithic human skeletons discovered in Italy in 1901. The remains are now recognised as belonging to two individuals. They are dated between 26,000 and 22,000 years ago (i.e., c. 24000–20000 BC) and classified as part of the late Aurignacian to early Gravettian Early European modern human population. Several

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Biology, UPSC

Gnetales

Gnetales is composed of three genera, Ephedra, Gnetum, and Welwitschia, all of which differ significantly in terms of morphological, ecological, and molecular properties. The phylogenetic position of the group is unknown. Previously related to angiosperms, Gnetales is now associated with conifers. Ephedra and Gnetum are trees, shrubs, vines, and highly-branched, crossed, or swirling vines. Welwitschia

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Biology, UPSC