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Propagule pressure plays an important role in species invasions (Groom, 2006). Charles Darwin was the first to study specific factors related to invasions of non-native species. In his research he identified that few members of the same genus were present in habitats containing naturalized non-indigenous species (Colautti et al., 2006).
A crab-eating macaque using a stone. Tool use by non-humans is a phenomenon in which a non-human animal uses any kind of tool in order to achieve a goal such as acquiring food and water, grooming, combat, defence, communication, recreation or construction.
The Ozark big-eared bat (Corynorhinus townsendii ingens) is an endangered species found only in a small number of caves in Arkansas, Oklahoma and Missouri, the southern central United States.
Background Chlorine and caustic soda are produced at chlor-alkali plants using mercury cells or the increasingly popular membrane technology that is mercury free and more energy-
[154] Heal sent her 2006 report to the Rotherham Drugs Partnership, [155] the district commander, and the chief superintendents. [156] [45] Heal left the South Yorkshire Police in March 2007. In 2015, her 2003 and 2006 reports were released by South Yorkshire Police following a Freedom of Information Act request. [157] [149] [158]
Dunbar's number has become of interest in anthropology, evolutionary psychology, [12] statistics, and business management.For example, developers of social software are interested in it, as they need to know the size of social networks their software needs to take into account; and in the modern military, operational psychologists seek such data to support or refute policies related to ...
A 2016 study by Kumar et al. [13] chemically analyzed these secretions, concluding that they may be required in chemosensory mediated communication [14] and mate choice. Similarly, in the less aggressive herb-field mouse, males are observed to groom females for longer durations and even allow females to not reciprocate. [ 15 ]
Kiss et al described a new construction for the Bloom filter that avoids false positives in addition to the typical non-existence of false negatives. [33] The construction applies to a finite universe from which set elements are taken. It relies on existing non-adaptive combinatorial group testing scheme by Eppstein, Goodrich and Hirschberg.