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Io Fluvialis
The spiny river snail, scientific name ''Io fluvialis'', is a species of freshwater snail, an aquatic mollusk in the family Pleuroceridae. This is the only species in the genus ''Io''. This species is endemic to the USA. Ecology Distribution This species is Endemism, endemic to the Tennessee River and its larger tributaries, but it has been largely extirpated due to pollution and the construction of dams. Habitat These snails live in rapidly flowing, well-oxygenated waters of shoals and riffles of rivers, but not in slack water below shoals. The preferred water depth for this species is up to 1.5 m. Behavior These snails feed on the algal coating on rocks. Females lay between 20-100 eggs, which begin to hatch after 15 days. Description The shell morphology is very variable, with some individuals totally lacking spines. For this reason it was formerly thought that many species existed within this genus. Human relevance The shells are found abundantly in shell middens along th ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Isaac Lea
Isaac; grc, Ἰσαάκ, Isaák; ar, إسحٰق/إسحاق, Isḥāq; am, ይስሐቅ is one of the three patriarchs of the Israelites and an important figure in the Abrahamic religions, including Judaism, Christianity, and Islam. He was the son of Abraham and Sarah, the father of Jacob and Esau, and the grandfather of the twelve tribes of Israel. Isaac's name means "he will laugh", reflecting the laughter, in disbelief, of Abraham and Sarah, when told by God that they would have a child., He is the only patriarch whose name was not changed, and the only one who did not move out of Canaan. According to the narrative, he died aged 180, the longest-lived of the three patriarchs. Etymology The anglicized name "Isaac" is a transliteration of the Hebrew name () which literally means "He laughs/will laugh." Ugaritic texts dating from the 13th century BCE refer to the benevolent smile of the Canaanite deity El. Genesis, however, ascribes the laughter to Isaac's parents, Abraha ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
