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Diagram of archegonium anatomy. An archegonium (pl.: archegonia), from the Ancient Greek ἀρχή ("beginning") and γόνος ("offspring"), is a multicellular structure or organ of the gametophyte phase of certain plants, producing and containing the ovum or female gamete. The corresponding male organ is called the antheridium. The ...
The West Cornwall Bryophytes Site of Special Scientific Interest is a group of seven locations of former mining activity, that form a single SSSI and Important Plant Area in western Cornwall, England, United Kingdom. The site is noted for its biological characteristics and derives its name from the rare bryophyte species found there.
Archegoniatae was a higher taxonomic term that indicated those embryophytes having a female sexual organ in the form of an archegonium.The term was first introduced by the Russian botanist Ivan Nikolaevich Gorozhankin (1848–1904) in 1876 to indicate a division including bryophytes, pteridophytes and gymnosperms in contrast to the Gynoeciatae (Angiosperms) with a more complex female organ.
The film stars Sonny Chiba as Iron Sharp (called Space Chief in the U.S. version). [2] The film was released in 1961 in Japan and was later released in 1964 direct to television in the United States. [5] Often considered to be one of the worst movies ever made, In 1997, the film was featured on an episode of Mystery Science Theater 3000.
Bryophytes (/ ˈ b r aɪ. ə ˌ f aɪ t s /) [2] are a group of land plants (embryophytes), sometimes treated as a taxonomic division, that contains three groups of non-vascular land plants: the liverworts, hornworts, and mosses. [3]
The gametophyte is the first and dominant phase of two alternating phases in a bryophyte's life cycle. This part of the life cycle consists of protonema (the preliminary stage where the propagule develops green thread-like filaments), the rhizoids (filaments growing beneath the bryophyte that help anchor the bryophyte to its substratum), the stem, the leaves, its reproductive structure ...
Gray iron, or grey cast iron, is a type of cast iron that has a graphitic microstructure. It is named after the gray color of the fracture it forms, which is due to the presence of graphite. [ 1 ] It is the most common cast iron and the most widely used cast material based on weight.
Iron Eyes Cody (born Espera Oscar de Corti, April 3, 1904 – January 4, 1999) was an American actor of Italian descent who portrayed Native Americans in Hollywood films, [2] including the role of Chief Iron Eyes in Bob Hope's The Paleface (1948).