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Black Honeyeater
The black honeyeater (''Sugomel nigrum'') is a species of bird in the honeyeater family (biology), family Meliphagidae. The black honeyeater exhibits sexual dimorphism, with the male being black and white while the female is a speckled grey-brown; immature birds look like the female. The species is Endemism, endemic to Australia, and ranges widely across the arid areas of the continent, through open woodland and shrubland, particularly in areas where the Eremophila (plant), emu bush and related species occur. A nectar feeder, the black honeyeater has a long curved bill to reach the base of tubular flowers such as those of the emu bush. It also takes insects in the air, and regularly eats ash left behind at campfires. Cup-shaped nests are built in the forks of small trees or shrubs. The male engages in a soaring song flight in the mating season, but contributes little to nest-building or incubating the clutch of two or three eggs. Both sexes feed and care for the young. While the p ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
The IUCN Red List Of Threatened Species
The International Union for Conservation of Nature (IUCN) Red List of Threatened Species, also known as the IUCN Red List or Red Data Book, founded in 1964, is an inventory of the global conservation status and extinction risk of biological species. A series of Regional Red Lists, which assess the risk of extinction to species within a political management unit, are also produced by countries and organizations. The goals of the Red List are to provide scientifically based information on the status of species and subspecies at a global level, to draw attention to the magnitude and importance of threatened biodiversity, to influence national and international policy and decision-making, and to provide information to guide actions to conserve biological diversity. Major species assessors include BirdLife International, the Institute of Zoology (the research division of the Zoological Society of London), the World Conservation Monitoring Centre, and many Specialist Groups within th ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Ancient Greek
Ancient Greek (, ; ) includes the forms of the Greek language used in ancient Greece and the classical antiquity, ancient world from around 1500 BC to 300 BC. It is often roughly divided into the following periods: Mycenaean Greek (), Greek Dark Ages, Dark Ages (), the Archaic Greece, Archaic or Homeric Greek, Homeric period (), and the Classical Greece, Classical period (). Ancient Greek was the language of Homer and of fifth-century Athens, fifth-century Athenian historians, playwrights, and Ancient Greek philosophy, philosophers. It has contributed many words to English vocabulary and has been a standard subject of study in educational institutions of the Western world since the Renaissance. This article primarily contains information about the Homeric Greek, Epic and Classical periods of the language, which are the best-attested periods and considered most typical of Ancient Greek. From the Hellenistic period (), Ancient Greek was followed by Koine Greek, which is regar ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Mitochondrial DNA
Mitochondrial DNA (mtDNA and mDNA) is the DNA located in the mitochondrion, mitochondria organelles in a eukaryotic cell that converts chemical energy from food into adenosine triphosphate (ATP). Mitochondrial DNA is a small portion of the DNA contained in a eukaryotic cell; most of the DNA is in the cell nucleus, and, in plants and algae, the DNA also is found in plastids, such as chloroplasts. Mitochondrial DNA is responsible for coding of 13 essential subunits of the complex oxidative phosphorylation (OXPHOS) system which has a role in cellular energy conversion. Human mitochondrial DNA was the first significant part of the human genome to be sequenced. This sequencing revealed that human mtDNA has 16,569 base pairs and encodes 13 proteins. As in other vertebrates, the human mitochondrial genetic code differs slightly from nuclear DNA. Since animal mtDNA evolves faster than nuclear genetic markers, it represents a mainstay of phylogenetics and evolutionary biology. It als ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Nuclear DNA
Nuclear DNA (nDNA), or nuclear deoxyribonucleic acid, is the DNA contained within each cell nucleus of a eukaryotic organism. It encodes for the majority of the genome in eukaryotes, with mitochondrial DNA and plastid DNA coding for the rest. It adheres to Mendelian inheritance, with information coming from two parents, one male and one female—rather than matrilineally (through the mother) as in mitochondrial DNA. Structure Nuclear DNA is a nucleic acid, a polymeric biomolecule or biopolymer, found in the nucleus of eukaryotic cells. Its structure is a double helix, with two strands wound around each other, a structure first described by Francis Crick and James D. Watson (1953) using data collected by Rosalind Franklin. Each strand is a long polymer chain of repeating nucleotides. Each nucleotide is composed of a five-carbon sugar, a phosphate group, and an organic base. Nucleotides are distinguished by their bases: purines, large bases that include adenine and gu ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Genetics
Genetics is the study of genes, genetic variation, and heredity in organisms.Hartl D, Jones E (2005) It is an important branch in biology because heredity is vital to organisms' evolution. Gregor Mendel, a Moravian Augustinians, Augustinian friar working in the 19th century in Brno, was the first to study genetics scientifically. Mendel studied "trait inheritance", patterns in the way traits are handed down from parents to offspring over time. He observed that organisms (pea plants) inherit traits by way of discrete "units of inheritance". This term, still used today, is a somewhat ambiguous definition of what is referred to as a gene. Phenotypic trait, Trait inheritance and Molecular genetics, molecular inheritance mechanisms of genes are still primary principles of genetics in the 21st century, but modern genetics has expanded to study the function and behavior of genes. Gene structure and function, variation, and distribution are studied within the context of the Cell (bi ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Ian J
Ian Jones-Quartey (born June 18, 1984) is an American animator, storyboard artist, writer, director, producer, and voice actor. He is the creator of the animated series '' OK K.O.! Let's Be Heroes'', based on his Cartoon Network pilot ''Lakewood Plaza Turbo'', which ran on the network from 2017 to 2019. He is also known for his webcomic ''RPG World'' and his work on ''Steven Universe'', ''Adventure Time'', and '' Bravest Warriors''. He is the grandson of Ghanaian artist Theodosia Okoh. Early life Jones-Quartey was born in Hatfield, Pennsylvania on June 18, 1984, and was raised in Columbia, Maryland. He and his family moved to Oakland Mills, Columbia, Maryland, around 1993. His father was a pharmaceutical engineer, and his mother worked as a librarian for the chemical company W. R. Grace. Jones-Quartey attended Long Reach High School in Columbia and the School of Visual Arts in New York City. Career Jones-Quartey created the webcomic ''RPG World'', which won Web Cartoonists' ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Richard Schodde
Richard Schodde, Order of Australia, OAM (born 23 September 1936) is an Australian botany, botanist and ornithology, ornithologist. Schodde studied at the University of Adelaide, where he received a Bachelor of Science, BSc (Hons) in 1960 and a Doctor of Philosophy, PhD in 1970. During the 1960s he was a botanist with the Commonwealth Scientific and Industrial Research Organisation, CSIRO Division of Land Research and Regional Survey in Papua New Guinea. From 1970 to 1998 he was the foundation curator and director of the Australian National Wildlife Collection (ANWC) in the CSIRO Division of Wildlife and Ecology, following which he became a research fellow there. During this time he led the flora and fauna surveys that helped establish Kakadu National Park and the designation of the Wet Tropics of Queensland, wet tropics of north-eastern Queensland as Australia's first World Heritage Site. These surveys resulted in the accession of almost 50,000 specimens to the ANWC, as well ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Pied Honeyeater
The pied honeyeater (''Certhionyx variegatus'') is a species of bird in the family of honeyeaters Meliphagidae and the sole species in the genus ''Certhionyx'' (Christidis & Boles 2008). This species is also known as the black and white honeyeater or western pied honeyeater. It is Endemism, endemic to Australia and is listed as a vulnerable species under Schedule 2 of the Threatened Species Conservation Act 1995 (NSW). Taxonomy In 1999, taxonomists had placed pied honeyeater (''Certhionyx variegatus''), banded honeyeater (''Cissomela pectoralis'') and black honeyeater (''Sugomel nigrum'') in the genus ''Certhionyx''; however, revised DNA analysis indicates that these species are not closely related.Driskell, A & Christidis, L 2004, ''Phylogeny and evolution of the Australo-Papuan honeyeaters (Passeriformes, Meliphagidae)'', Molecular phylogenics and evolution, vol. 29, pp. 540–549. Christidis and Boles placed the pied honeyeater in the clade ''Acanthagenys'' in its own mon ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Banded Honeyeater
The banded honeyeater (''Cissomela pectoralis'') is a species of honeyeater in the family Meliphagidae with a characteristic narrow black band across its white underparts. It is Endemism, endemic to tropical northern Australia. Taxonomy and systematics The scientific name for the banded honeyeater is ''Cissomela pectoralis (''Gould, 1841). The holotype was Holotype ANSP 18224 male, Australia: north coast, held in the Academy of Natural Sciences of Drexel University, Philadelphia. The banded honeyeater was previously placed in the genus ''Certhionyx'', but was moved to the monotypic genus ''Cissomela'' after a molecular phylogenetic analysis, published in 2011, showed that the original genus was polyphyly, polyphyletic. The genus name ''Cissomela'' (Bonaparte, 1854) means "honey magpie" from the Greek language, Greek ''kissa'' for 'magpie', thus referring to the black and white colouring, and ''mela'' meaning 'honey' for its feeding habits. The specific epithet ''pectoralis'' c ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Certhionyx
The pied honeyeater (''Certhionyx variegatus'') is a species of bird in the family of honeyeaters Meliphagidae and the sole species in the genus '' Certhionyx'' (Christidis & Boles 2008). This species is also known as the black and white honeyeater or western pied honeyeater. It is endemic to Australia and is listed as a vulnerable species under Schedule 2 of the Threatened Species Conservation Act 1995 (NSW). Taxonomy In 1999, taxonomists had placed pied honeyeater (''Certhionyx variegatus''), banded honeyeater (''Cissomela pectoralis'') and black honeyeater (''Sugomel nigrum'') in the genus ''Certhionyx''; however, revised DNA analysis indicates that these species are not closely related.Driskell, A & Christidis, L 2004, ''Phylogeny and evolution of the Australo-Papuan honeyeaters (Passeriformes, Meliphagidae)'', Molecular phylogenics and evolution, vol. 29, pp. 540–549. Christidis and Boles placed the pied honeyeater in the clade '' Acanthagenys'' in its own monotypic g ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Genus
Genus (; : genera ) is a taxonomic rank above species and below family (taxonomy), family as used in the biological classification of extant taxon, living and fossil organisms as well as Virus classification#ICTV classification, viruses. In binomial nomenclature, the genus name forms the first part of the binomial species name for each species within the genus. :E.g. ''Panthera leo'' (lion) and ''Panthera onca'' (jaguar) are two species within the genus ''Panthera''. ''Panthera'' is a genus within the family Felidae. The composition of a genus is determined by taxonomy (biology), taxonomists. The standards for genus classification are not strictly codified, so different authorities often produce different classifications for genera. There are some general practices used, however, including the idea that a newly defined genus should fulfill these three criteria to be descriptively useful: # monophyly – all descendants of an ancestral taxon are grouped together (i.e. Phylogeneti ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Myzomela
''Myzomela'' is a genus of bird in the honeyeater family Meliphagidae. It is the largest genus of honeyeaters, with 40 species, and the most geographically widespread. It ranges from Indonesia to Australia and into the islands of the Pacific Ocean as far as Micronesia and Samoa. Several species are named for the islands they were discovered or live on. The genus was introduced by the naturalists Nicholas Aylward Vigors, Nicholas Vigors and Thomas Horsfield in 1827 with ''Meliphaga cardinalis'' as the type species. This is a junior synonym of ''Certhia sanguinolenta'' John Latham (ornithologist), Latham, 1801, the scarlet myzomela. The genus contains the following 41 species: * Drab myzomela (''Myzomela blasii'') * White-chinned myzomela (''Myzomela albigula'') * Ashy myzomela (''Myzomela cineracea'') * Ruby-throated myzomela (''Myzomela eques'') *Moluccan myzomela (''Myzomela simplex'') *Red-tinged myzomela (''Myzomela rubrotincta'') *Biak myzomela (''Myzomela rubrobrunnea'') * ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
