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Atlas Lion
The Barbary lion, also called the North African lion, Berber lion, Atlas lion, and Egyptian lion, is an extinct population of the lion subspecies '' Panthera leo leo''. It lived in the mountains and deserts of the Barbary Coast of North Africa, from Morocco to Egypt. It was eradicated following the spread of firearms and bounties for shooting lions. A comprehensive review of hunting and sighting records revealed that small groups of lions may have survived in Algeria until the early 1960s, and in Morocco until the mid-1960s. Today, it is locally extinct in this region. Fossils belonging to the Barbary lion dating to between 100,000 and 110,000 years were found in the cave of Bizmoune, near Essaouira. Until 2017, the Barbary lion was considered a distinct lion subspecies. Results of morphological and genetic analyses of lion samples from North Africa showed that Barbary lions do not differ significantly from the Asiatic lion and are closely related to lions from West and ...
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Alfred Edward Pease
Sir Alfred Edward Pease, 2nd Baronet (29 June 1857 – 27 April 1939), was a British Liberal Party politician who sat in the House of Commons between 1885 and 1902 and who became a pioneer settler of British East Africa, now Kenya. Early life Alfred Pease was a member of the family of Quaker industrialists, known in Britain as the Darlington Peases. He was the elder son of Joseph W. Pease, 1st Bt and his wife Mary Fox. His younger brother gained a peerage and became Joseph Albert Pease, 1st Baron Gainford. Alfred was educated at Grove House School, Tottenham, and at Trinity College, Cambridge. Career He began his career in the family bank, J. & J. W. Pease, of which he later became both a director and partner. He held similar positions in Pease & Partners, whose subsidiary interests embraced collieries, Ironstone mines, limestone quarries, as well as iron manufacturing, fabrication and construction. In the course of his years, he served as managing director, Vice-Chairman (19 ...
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Rabat Zoo
Rabat Zoo ( ar, حَدِيْقَة ٱلْحَيْوَانَات بِٱلرِّبَاط, Ḥadīqat al-Ḥaywānāt bir-Ribāṭ ("Zoological Garden in Rabat"), ("The National Park for Animals in Rabat"); french: Jardin Zoologique de Rabat), also known as "Temara Zoo", is a zoological park near Rabat in Morocco that was established in 1973. The first enclosures were built to house lions that were previously kept in the royal palace. These lions were thought to be descendants from Barbary lions. Conservation for the lion Given that the Barbary lion is extinct in the wilderness, importance has been given to finding possible Barbary lions or descendants of the Barbary lion in captivity. So far, tests indicate the lions of the zoo are not pure Barbary lions, but descendants of the original Barbary lion. This is partly as members of the Moroccan royal family had kept lions that were captured from the Atlas Mountains. Gallery File:A goat, Rabat- Morocco.jpg, Goat File:Scimitar oryx ...
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Scientific Name
In taxonomy, binomial nomenclature ("two-term naming system"), also called nomenclature ("two-name naming system") or binary nomenclature, is a formal system of naming species of living things by giving each a name composed of two parts, both of which use Latin grammatical forms, although they can be based on words from other languages. Such a name is called a binomial name (which may be shortened to just "binomial"), a binomen, name or a scientific name; more informally it is also historically called a Latin name. The first part of the name – the '' generic name'' – identifies the genus to which the species belongs, whereas the second part – the specific name or specific epithet – distinguishes the species within the genus. For example, modern humans belong to the genus ''Homo'' and within this genus to the species ''Homo sapiens''. ''Tyrannosaurus rex'' is likely the most widely known binomial. The ''formal'' introduction of this system of naming species is credit ...
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Lion Subspecies Distribution3
The lion (''Panthera leo'') is a large cat of the genus ''Panthera'' native to Africa and India. It has a muscular, broad-chested body; short, rounded head; round ears; and a hairy tuft at the end of its tail. It is sexually dimorphic; adult male lions are larger than females and have a prominent mane. It is a social species, forming groups called ''prides''. A lion's pride consists of a few adult males, related females, and cubs. Groups of female lions usually hunt together, preying mostly on large ungulates. The lion is an apex and keystone predator; although some lions scavenge when opportunities occur and have been known to hunt humans, lions typically don't actively seek out and prey on humans. The lion inhabits grasslands, savannas and shrublands. It is usually more diurnal than other wild cats, but when persecuted, it adapts to being active at night and at twilight. During the Neolithic period, the lion ranged throughout Africa and Eurasia from Southeast Europe to In ...
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Testosterone
Testosterone is the primary sex hormone and anabolic steroid in males. In humans, testosterone plays a key role in the development of Male reproductive system, male reproductive tissues such as testes and prostate, as well as promoting secondary sexual characteristics such as increased muscle and bone mass, and the growth of androgenic hair, body hair. In addition, testosterone in both sexes is involved in health and well-being, including moods, behaviour, and in the prevention of osteoporosis. Insufficient levels of testosterone in men may lead to abnormalities including frailty and bone loss. Testosterone is a steroid from the androstane class containing a ketone and a hydroxyl group at positions three and seventeen respectively. It is Biosynthesis, biosynthesized in several steps from cholesterol and is converted in the liver to inactive metabolites. It exerts its action through binding to and activation of the androgen receptor. In humans and most other vertebrates, testost ...
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Ambient Temperature
Colloquially, "room temperature" is a range of air temperatures that most people prefer for indoor settings. It feels comfortable to a person when they are wearing typical indoor clothing. Human comfort can extend beyond this range depending on humidity, air circulation and other factors. Food or beverages may be served at ''room temperature'', meaning neither heated nor cooled. In certain fields, like science and engineering, and within a particular context, ''room temperature'' can mean different agreed-upon ranges. In contrast, ''ambient temperature'' is the actual temperature, as measured by a thermometer, of the air (or other medium and surroundings) in any particular place. The ambient temperature (e.g. an unheated room in winter) may be very different from an ideal ''room temperature''. Comfort temperatures ''The American Heritage Dictionary of the English Language'' identifies room temperature as around , while the ''Oxford English Dictionary'' states that it is "conv ...
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Serengeti National Park
The Serengeti National Park is a large national park in northern Tanzania that stretches over . It is located entirely in eastern Mara Region and north east portion of Simiyu Region and contains over of virgin savanna. The park was established in 1940. The Serengeti is well known for the largest annual animal migration in the world of over 1.5 million blue wildebeest and 250,000 zebra along with smaller herds of Thomas' Gazelle and eland. The national park is also home to the largest lion population in Africa. It is under threat from deforestation, population growth and ranching. Etymology The name "Serengeti" is an approximation of the word ''siringet'' used by the Maasai people for the area, which means "the place where the land runs on forever". History In 1930, an area of was designated as a game reserve in southern and eastern Serengeti. In the 1930s, the government of Tanganyika established a system of national parks compliant with the Convention Relative to the ...
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Molecular Marker
A molecular marker is a molecule, sampled from some source, that gives information about its source. For example, DNA is a molecular marker that gives information about the organism from which it was taken. For another example, some proteins can be molecular markers of Alzheimer's disease in a person from which they are taken. Molecular markers may be non-biological. Non-biological markers are often used in Natural environment, environmental studies. Genetic markers In genetics, a molecular marker (identified as genetic marker) is a fragment of DNA that is associated with a certain location within the genome. Molecular markers are used in molecular biology and biotechnology to identify a particular sequence of DNA in a pool of unknown DNA. Types of genetic markers There are many types of genetic markers, each with particular limitations and strengths. Within genetic markers there are three different categories: "First Generation Markers", "Second Generation Markers", and "New ...
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Haplotype
A haplotype ( haploid genotype) is a group of alleles in an organism that are inherited together from a single parent. Many organisms contain genetic material ( DNA) which is inherited from two parents. Normally these organisms have their DNA organized in two sets of pairwise similar chromosomes. The offspring gets one chromosome in each pair from each parent. A set of pairs of chromosomes is called diploid and a set of only one half of each pair is called haploid. The haploid genotype (haplotype) is a genotype that considers the singular chromosomes rather than the pairs of chromosomes. It can be all the chromosomes from one of the parents or a minor part of a chromosome, for example a sequence of 9000 base pairs. However, there are other uses of this term. First, it is used to mean a collection of specific alleles (that is, specific DNA sequences) in a cluster of tightly linked genes on a chromosome that are likely to be inherited together—that is, they are likely to be con ...
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Mitochondrial DNA
Mitochondrial DNA (mtDNA or mDNA) is the DNA located in mitochondria, cellular organelles within eukaryotic cells that convert chemical energy from food into a form that cells can use, such as adenosine triphosphate (ATP). Mitochondrial DNA is only a small portion of the DNA in a eukaryotic cell; most of the DNA can be found in the cell nucleus and, in plants and algae, also in plastids such as chloroplasts. Human mitochondrial DNA was the first significant part of the human genome to be sequenced. This sequencing revealed that the human mtDNA includes 16,569 base pairs and encodes 13 proteins. Since animal mtDNA evolves faster than nuclear genetic markers, it represents a mainstay of phylogenetics and evolutionary biology. It also permits an examination of the relatedness of populations, and so has become important in anthropology and biogeography. Origin Nuclear and mitochondrial DNA are thought to be of separate evolutionary origin, with the mtDNA being derived ...
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Subspecific Name
In zoological nomenclature, a subspecific name is the third part of a trinomen. In zoology there is only one rank below that of species, namely "subspecies". In botanical nomenclature, there are several levels of subspecific names, such as ''variety'' and ''form'', and even cultivar. The name of a subspecies is a trinomen, a trinomial name, i.e., a name that consists of three names: generic name, specific epithet, and subspecific epithet. The subspecific epithet is written like the specific epithet: without capitalisation but typeset in italics. See also * binomial nomenclature * trinomen * trinomial nomenclature * in plants, an infraspecific taxon gets a three part name, a ternary name In biology, trinomial nomenclature refers to names for taxa below the rank of species. These names have three parts. The usage is different in zoology and botany. In zoology In zoological nomenclature, a trinomen (), trinominal name, or ternary .... {{DEFAULTSORT:Subspecific Name Zoologic ...
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Morphology (biology)
Morphology is a branch of biology dealing with the study of the form and structure of organisms and their specific structural features. This includes aspects of the outward appearance (shape, structure, colour, pattern, size), i.e. external morphology (or eidonomy), as well as the form and structure of the internal parts like bones and organs, i.e. internal morphology (or anatomy). This is in contrast to physiology, which deals primarily with function. Morphology is a branch of life science dealing with the study of gross structure of an organism or taxon and its component parts. History The etymology of the word "morphology" is from the Ancient Greek (), meaning "form", and (), meaning "word, study, research". While the concept of form in biology, opposed to function, dates back to Aristotle (see Aristotle's biology), the field of morphology was developed by Johann Wolfgang von Goethe (1790) and independently by the German anatomist and physiologist Karl Friedrich Burdach ...
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