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The helix of sustainability - the Carbon cycle ideal for manufacture and use The international recycling symbol - not nature identical.. The helix of sustainability is a concept coined to help the manufacturing industry move to more sustainable practices by mapping its models of raw material use and reuse onto those of nature.
The triple helix model of innovation, as theorized by Etzkowitz and Leydesdorff, is based on the interactions between the three following elements and their associated 'initial role': [9] universities engaging in basic research, industries producing commercial goods and governments that are regulating markets. [2]
A freemartin or free-martin (sometimes martin heifer) is an infertile cow with masculinized behavior and non-functioning ovaries. [1] Phenotypically, the animal appears female, but various aspects of female reproductive development are altered due to acquisition of anti-Müllerian hormone from the male twin . [ 2 ]
The Limousin, French: Limousine, is a French breed of beef cattle from the Limousin and Manche regions of France. It was formerly used mainly as a draught animal, but in modern times is reared for beef.
Both scientific names Bos taurus and Bos indicus were introduced by Carl Linnaeus in 1758, with the latter used to describe humped cattle in China. [3]The zebu was classified as a distinct species by Juliet Clutton-Brock in 1999, [8] but as a subspecies of the domestic cattle, Bos taurus indicus, by both Clutton-Brock and Colin Groves in 2004 [9] and by Peter Grubb in 2005. [10]
Capra is a genus of mammals, the goats, comprising ten species, including the markhor and several species known as ibexes.The domestic goat (Capra hircus) is a domesticated species derived from the bezoar ibex (Capra aegagrus aegagrus).
The scimitar oryx is a member of the genus Oryx and the family Bovidae.German naturalist Lorenz Oken first described it in 1816, naming it Oryx algazel.The nomenclature has undergone various changes since then, with the introduction of names such as Oryx tao, O. leucoryx, O. damma, O. dammah, O. bezoarticus, and O. ensicornis.
Image from top to left with artiodactyls at the top and Perissodactyla at the bottom: giraffe, plains bison, dromedary, red deer, wild boar, orca (), plains zebra, Indian rhinoceros, and Brazilian tapir.