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An ascus (from Ancient Greek ἀσκός (askós) 'skin bag, wineskin'; pl.: asci) [1] is the sexual spore-bearing cell produced in ascomycete fungi. Each ascus usually contains eight ascospores (or octad), produced by meiosis followed, in most species, by a mitotic cell division.
There are 2000 identified genera and 30,000 species of Ascomycota. The unifying characteristic among these diverse groups is the presence of a reproductive structure known as the ascus, though in some cases it has a reduced role in the life cycle. Many ascomycetes are of commercial importance.
The generic name polyascus (poly "many" + ascus "bag") refers to the typical presence of multiple external sac-like female bodies, known as externae. In Polyascus species, these originate from asexual reproduction.
YouTube Kids has faced criticism from advocacy groups, particularly the Fairplay Organization, for concerns surrounding the app's use of commercial advertising, as well as algorithmic suggestions of videos that may be inappropriate for the app's target audience, as the app has been associated with a controversy surrounding disturbing or violent ...
As of April 30, 2011, it is the 105th most-subscribed YouTube channel in the world and the second most-subscribed YouTube channel in Canada, with 41.4 million subscribers, and the 23rd most-viewed YouTube channel in the world and the most-viewed YouTube channel in Canada, with 49.7 billion views.
YouTube Music is a music streaming service developed by the American video platform YouTube, a subsidiary of Alphabet's Google.The service is designed with an interface that allows users to simultaneously explore music audios and music videos from YouTube-based genres, playlists and recommendations.
Of the 50 most recommended videos found in the study, 11 were "oriented toward small children". Cocomelon's "Bath Song | + More Nursery Rhymes & Kids Songs" was the most recommended video in the research project. [47] [48] (As of September 2020, that video had received over 3.2 billion views on YouTube, making it the 19th-most-viewed video on ...
It includes the songs are written for used on the TV series. The songs have a variety of styles, including R&B, opera, show tunes, folk, and world music. [1] Especially in the earlier decades, parodies and spoofs of popular songs were common, although that has reduced in more recent years. [1] Many famous musicians have sung on the show. [2]