Marine life
http://dbpedia.org/resource/Marine_life an entity of type: Thing
الحياة البحرية أو الحياة في المحيطات، تشمل النباتات والحيوانات والكائنات الحية الأخرى التي تعيش في المياه المالحة للبحر أو المحيط، أو المياه قليلة الملوحة في مصبات الأنهار الساحلية.
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Biota Laut adalah semua makhluk hidup yang ada di laut baik hewan maupun tumbuhan atau karang. Secara umum biota laut dibagi menjadi tiga kelompok besar yaitu plankton, nekton dan Bentos pembagain ini tidak ada kaitannya dengan klasifikasi ilmiah, ukuran, hewan atau tumbuhan tetapi berdasarkan pada kebiasaan hidup secara umum, seperti gerak berjalan, pola hidup dan persebaran menurut ekologi.
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해양 생물(marine life, sea life, ocean life)은 해수 또는 해안 삼각강의 소금물에 서식하는 식물, 동물 및 기타 생명체로 어류, 조류, 패류 등이 있다. 근본적인 차원에서 해양 생물은 우리 행성의 본질을 결정하는데 도움이 된다. 해양 생물은 우리가 호흡하는 많은 산소를 생성한다. 해안선은 부분적으로 해양 생물이 보호하며, 일부 해양 생물은 새로운 토지를 만드는데 도움이 된다.
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海洋生物是指生活在海洋或沿海河口咸水區域的植物、动物和其他生物。海洋生物能产生氧气和固碳。 地球上有許多陸上生物是由海洋生物演化而來。例如脊椎动物起初只在水中生活，後來其中的一些物種演化成两栖动物。還有其他一些鱼类則演化成哺乳动物，並來到陸地上居住，不過有一些又回到海洋中，例如海豹、海豚和鲸鱼。浮游生物則是海洋生物食物链的最底端。 有一些无脊椎动物为了能在含氧量低的海洋中生存而演化出獨特的構造，例如软体动物依靠虹管呼吸，鱼类則通過鳃呼吸。一些海洋哺乳动物，如海豚、鲸鱼、海獭和海豹，需要定期浮出水面呼吸空气。 已知海洋生物有20多萬種，可能還有200多萬種海洋生物尚待人類發現 。海洋生物大小不一，像浮游植物僅長0.02微米，而蓝鲸則長達33米。海洋微生物，包括原生动物、细菌和病毒，占海洋生物总量的70%。
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La vida marina, vida en el mar o vida oceánica, la conforman las plantas, los animales y otros organismos que viven en el agua salada de los mares y océanos, o el agua salobre de los estuarios costeros. En un nivel fundamental, la vida marina ayuda a determinar la naturaleza misma de nuestro planeta. Los organismos marinos producen gran parte del oxígeno que respiramos. Las costas están en parte conformadas y protegidas por la vida marina, y algunos organismos marinos incluso ayudan a crear nuevas tierras.
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Marine life, sea life, or ocean life is the plants, animals and other organisms that live in the salt water of seas or oceans, or the brackish water of coastal estuaries. At a fundamental level, marine life affects the nature of the planet. Marine organisms, mostly microorganisms, produce oxygen and sequester carbon. Marine life in part shape and protect shorelines, and some marine organisms even help create new land (e.g. coral building reefs).
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La biodiversité marine est l'ensemble de la diversité biologique propre aux océans ou en dépendant très directement. Elle est en forte régression (du point de vue de la richesse trophique notamment) depuis plus de 50 ans, incontestablement du fait des activités humaines et en particulier du fait de la surpêche et de la pollution et artificialisation des fleuves, estuaires, ports et zones côtières.
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Marine life
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حياة بحرية
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Vida marina
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Biota laut
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Biodiversité marine
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해양 생물
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海洋生物
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Armoured
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Evolutionary tree showing the divergence of modern species from their common ancestor in the centre. The three domains are coloured, with bacteria blue, archaea green and eukaryotes red.
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Marine tetrapod
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Pennate
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Cyanobacteria from a microbial mat. Cyanobacteria were the first organisms to release oxygen via photosynthesis.
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Microbial mats are the earliest form of life on Earth for which there is good fossil evidence. The image shows a cyanobacterial-algal mat.
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...and defensive spines
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...can have more than one nucleus
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...extinct fossil
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...have plates called coccoliths
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Bolinus brandaris, a sea snail from which the Phoenicians extracted
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A suggested explanation for glowing seas
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Blue dragon, a pelagic sea slug
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Diagram of a typical tailed phage
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Gill slits in an acorn worm and tunicate
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The acorn worm is associated with the development of gill slits.
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Shell micrographs
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Shell of a spherical radiolarian
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Unarmoured
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Multiple phages attached to a bacterial cell wall at 200,000x magnification
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cell schematic
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colour code: #66023C _____
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micrograph
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Stromatolites are formed from microbial mats as microbes slowly move upwards to avoid being smothered by sediment.
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royal Tyrian purple dye
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The cyanobacterium genus Prochlorococcus is a major contributor to atmospheric oxygen.
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In the adult stage of the tunicate the notochord, nerve cord, and tail disappear.
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Segments and tagmata of an arthropod The thorax bears the main locomotory appendages. The head and thorax are fused in some arthropods, such as crabs and lobsters.
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The dominant feature of the planet viewed from space is water – oceans of liquid water flood most of the surface while water vapour swirls in atmospheric clouds and the poles are capped with ice.
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Tardigrades are a phylum of eight-legged, segmented [[#Marine microanimals
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Some palaeontologists think Lobopodia represents a basal grade which lead to an arthropod body plan.
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A surf wave at night sparkles with blue light due to the presence of a bioluminescent dinoflagellate, such as Lingulodinium polyedrum
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Bigfin reef squid displaying vivid iridescence at night. Cephalopods are the most neurologically advanced invertebrates.
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The larval stage of the tunicate possesses all of the features characteristic of chordates: a notochord, a dorsal hollow nerve cord, pharyngeal slits, and a post-anal tail.
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center
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horizontal
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vertical
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horizontal/vertical
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left
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Drawings by Haeckel 1904
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Diatoms have a silica shell with radial or bilateral symmetry.
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There has been much controversy over which invertebrate phyla, sponges or comb jellies, is the most basal. Currently, sponges are more widely considered to be the most basal.
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Coccolithophores build calcite skeletons important to the marine carbon cycle.
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Gill slits have been described as "the foremost morphological innovation of early deuterostomes". In aquatic organisms, gill slits allow water that enters the mouth during feeding to exit. Some invertebrate chordates also use the slits to filter food from the water.
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Skeletal structures showing the vertebral column and internal skeleton running from the head to the tail.
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Placozoa have the simplest structure of all animals.
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16px Getting to know our single-celled ancestors - MicroCosmos
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Foraminiferans are important unicellular zooplankton [[#Marine protists
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Traditionally dinoflagellates have been presented as armoured or unarmoured.
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Choanoflagellates, unicellular "collared" flagellate protists, are thought to be the closest living relatives of the animals.
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center
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Bacteriophages
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Cyanobacteria
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Diatoms
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Dinoflagellates
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Radiolarians
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Foraminiferans
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Coccolithophores
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Marine biogeochemical cycles
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Gill slits
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Turing and radiolarian morphology
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microbial mats
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center
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Foram-globigerina hg.jpg
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G bulloides Brady 1884.jpg
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Aplysina archeri .jpg
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Archimollusc-en.svg
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Aysheaia.jpg
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Bolinus brandaris 2.jpg
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Centric diatom .jpg
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Codosiga.jpg
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Comb jelly 2.jpg
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Cronoflagelado2.svg
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Cyanobacteria guerrero negro.jpg
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Cyanobacterial-algal mat.jpg
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Dinoflagellate lumincescence 2.jpg
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Discoaster surculus 01.jpg
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Earth Pacific jul 30 2010.jpg
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Features of a tunicate larva.jpg
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Features of a tunicate.jpg
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Gill slits.png
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Glaucus atlanticus 1 cropped.jpg
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Gymnodinium agile sp.jpg
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Haeckel Phaeodaria 1.jpg
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Haeckel Stephoidea edit.jpg
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Pennate diatoms .jpg
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Peridinium digitale.jpg
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Phage.jpg
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Placozoan.webp
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Prochlorococcus marinus .jpg
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Radiolarians - Actinomma sol .jpg
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Saccoglossus.jpg
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Skeleton of a bass.jpg
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SpermWhaleLyd3.jpg
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Spherical radiolarian.jpg
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Squid komodo.jpg
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Stromatolites in Sharkbay.jpg
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Tailed phage.png
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Trichoplax.jpg
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Potential Mechanism for Dazzling Blue Flashes of Light in Oceans Identified .jpg
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SEM image of Milnesium tardigradum in active state - journal.pone.0045682.g001-2.png
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Iridescent red ctenophore — EVNautilus
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Venus Girdle - Youtube
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Copepods: The Diatom-Devouring King of Plankton - Journey to the Microcosmos
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الحياة البحرية أو الحياة في المحيطات، تشمل النباتات والحيوانات والكائنات الحية الأخرى التي تعيش في المياه المالحة للبحر أو المحيط، أو المياه قليلة الملوحة في مصبات الأنهار الساحلية.
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Marine life, sea life, or ocean life is the plants, animals and other organisms that live in the salt water of seas or oceans, or the brackish water of coastal estuaries. At a fundamental level, marine life affects the nature of the planet. Marine organisms, mostly microorganisms, produce oxygen and sequester carbon. Marine life in part shape and protect shorelines, and some marine organisms even help create new land (e.g. coral building reefs). Most life forms evolved initially in marine habitats. By volume, oceans provide about 90% of the living space on the planet. The earliest vertebrates appeared in the form of fish, which live exclusively in water. Some of these evolved into amphibians, which spend portions of their lives in water and portions on land. One group of amphibians evolved into reptiles and mammals and a few subsets of each returned to the ocean as sea snakes, sea turtles, seals, manatees, and whales. Plant forms such as kelp and other algae grow in the water and are the basis for some underwater ecosystems. Plankton forms the general foundation of the ocean food chain, particularly which are key primary producers. Marine invertebrates exhibit a wide range of modifications to survive in poorly oxygenated waters, including breathing tubes as in mollusc siphons. Fish have gills instead of lungs, although some species of fish, such as the lungfish, have both. Marine mammals ( e.g. dolphins, whales, otters, and seals) need to surface periodically to breathe air. More than 200,000 marine species have been documented, and perhaps two million marine species are yet to be documented. Marine species range in size from the microscopic like phytoplankton, which can be as small as 0.02 micrometres, to huge cetaceans like the blue whale – the largest known animal, reaching 33 m (108 ft) in length. Marine microorganisms, including protists and bacteria and their associated viruses, have been variously estimated as constituting about 70% or about 90% of the total marine biomass. Marine life is studied scientifically in both marine biology and in biological oceanography. The term marine comes from the Latin mare, meaning "sea" or "ocean".
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La biodiversité marine est l'ensemble de la diversité biologique propre aux océans ou en dépendant très directement. Elle est en forte régression (du point de vue de la richesse trophique notamment) depuis plus de 50 ans, incontestablement du fait des activités humaines et en particulier du fait de la surpêche et de la pollution et artificialisation des fleuves, estuaires, ports et zones côtières. Elle joue un rôle encore mal connu, mais a priori important pour le rétrocontrôle du climat, et en termes de puits de carbone et comme réservoir de ressources génétiques vitales pour les écosystèmes tels que nous les connaissons. L'étude approfondie de la biodiversité marine ne fait que commencer, avec notamment de nombreux centres de biologie marine (dont celui de Roscoff en France), Aquariums à vocation scientifique (ex : Musée océanographique de Monaco), des instituts (Ifremer en France) ou encore le Centre pour la biodiversité marine créé en 2000 au Canada). C'est un domaine de longue haleine où le travail collaboratif, les sciences citoyennes et les sciences participatives semblent pouvoir s'épanouir, avec la participation des marins, marin-pêcheurs, plaisanciers, plongeurs et du grand public sur les littoraux. Ainsi en France l'association DORIS contribue-t-elle à l'inventaire illustré de la biodiversité marine, avec le Muséum national d'histoire naturelle (MNHN) et des plombeurs amateurs.
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La vida marina, vida en el mar o vida oceánica, la conforman las plantas, los animales y otros organismos que viven en el agua salada de los mares y océanos, o el agua salobre de los estuarios costeros. En un nivel fundamental, la vida marina ayuda a determinar la naturaleza misma de nuestro planeta. Los organismos marinos producen gran parte del oxígeno que respiramos. Las costas están en parte conformadas y protegidas por la vida marina, y algunos organismos marinos incluso ayudan a crear nuevas tierras. La mayoría de las formas de vida evolucionaron inicialmente en hábitats marinos. Por volumen, los océanos proporcionan aproximadamente el 90 % de la superficie habitable del planeta. Los primeros vertebrados aparecieron en forma de peces, que viven exclusivamente en agua. Algunos de estos evolucionaron en anfibios que pasan partes de sus vidas en agua y en tierra. Otros peces evolucionaron en mamíferos terrestres y posteriormente regresaron al océano como focas, delfines o ballenas. Las plantas como algas marinas y algas crecen en el agua y son la base de algunos ecosistemas submarinos. El plancton, y particularmente el fitoplancton, son productores primarios claves que forman la base general de la cadena alimentaria oceánica. Los vertebrados marinos necesitan oxígeno para sobrevivir, y lo obtienen de diversas maneras. Los peces tienen branquias en lugar de pulmones, aunque algunas especies de peces, como el pez pulmonado, tienen ambas. Los mamíferos marinos, tales como delfines, ballenas, nutrias y focas necesitan emerger periódicamente para respirar aire. Algunos anfibios pueden absorber oxígeno a través de su piel. Los invertebrados exhiben una amplia gama de modificaciones para sobrevivir en aguas pobremente oxigenadas, incluyendo tubos de respiración (ver sifones de insectos y moluscos) y branquias (Carcinus). Sin embargo, a medida que la vida de los invertebrados evolucionó en un hábitat acuático, la mayoría tiene poca o ninguna especialización para la respiración en el agua. En total, hay 230 000 especies marinas documentadas, incluyendo más de 16 000 especies de peces, y se ha estimado que casi dos millones de especies marinas aún no se han documentado. Las especies marinas varían en tamaño desde microscópicas, que incluyen plancton y fitoplancton que pueden ser tan pequeñas con 0,02 micrómetros, hasta grandes cetáceos (ballenas, delfines y marsopas) que en el caso de la ballena azul alcanzan hasta 33 m de longitud, siendo el animal más grande.
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Biota Laut adalah semua makhluk hidup yang ada di laut baik hewan maupun tumbuhan atau karang. Secara umum biota laut dibagi menjadi tiga kelompok besar yaitu plankton, nekton dan Bentos pembagain ini tidak ada kaitannya dengan klasifikasi ilmiah, ukuran, hewan atau tumbuhan tetapi berdasarkan pada kebiasaan hidup secara umum, seperti gerak berjalan, pola hidup dan persebaran menurut ekologi.
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해양 생물(marine life, sea life, ocean life)은 해수 또는 해안 삼각강의 소금물에 서식하는 식물, 동물 및 기타 생명체로 어류, 조류, 패류 등이 있다. 근본적인 차원에서 해양 생물은 우리 행성의 본질을 결정하는데 도움이 된다. 해양 생물은 우리가 호흡하는 많은 산소를 생성한다. 해안선은 부분적으로 해양 생물이 보호하며, 일부 해양 생물은 새로운 토지를 만드는데 도움이 된다.
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海洋生物是指生活在海洋或沿海河口咸水區域的植物、动物和其他生物。海洋生物能产生氧气和固碳。 地球上有許多陸上生物是由海洋生物演化而來。例如脊椎动物起初只在水中生活，後來其中的一些物種演化成两栖动物。還有其他一些鱼类則演化成哺乳动物，並來到陸地上居住，不過有一些又回到海洋中，例如海豹、海豚和鲸鱼。浮游生物則是海洋生物食物链的最底端。 有一些无脊椎动物为了能在含氧量低的海洋中生存而演化出獨特的構造，例如软体动物依靠虹管呼吸，鱼类則通過鳃呼吸。一些海洋哺乳动物，如海豚、鲸鱼、海獭和海豹，需要定期浮出水面呼吸空气。 已知海洋生物有20多萬種，可能還有200多萬種海洋生物尚待人類發現 。海洋生物大小不一，像浮游植物僅長0.02微米，而蓝鲸則長達33米。海洋微生物，包括原生动物、细菌和病毒，占海洋生物总量的70%。
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