which is a sea creatures limb
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Arthropod Fossils Show âLimbsâ Of âFuxhianhuiid,â 520-Million-Year-Old Sea Creature The fossilized animal, an arthropod called a fuxhianhuiid, has primitive limbs under its head, as well as the earliest example of a nervous system that extended past the head. The primitive creature may have used the limbs to push food into its mouth as it crept across the seafloor.
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Starfish Purely marine animals, there are no freshwater sea stars, and only a few live in brackish water. Beyond their distinctive shape, sea stars are famous for their ability to regenerate limbs, and in some cases, entire bodies. They accomplish this by housing most or all of their vital organs in their arms.
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- Animals & Nature. Sea cucumbers (Holothuroidea) are a group of echinoderms that include about 1250 living species. Sea cucumbers have an internal skeleton or endoskeleton that consists of tiny ossicles, small particles of calcium carbonate embedded in the body wall. Sea cucumbers have an elongated body and thick skin.
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Description & Behavior Description & Behavior. Sea lampreys, Petromyzon marinus (Linnaeus, 1758), aka great sea lampreys, lake lampreys, lampreys, or lamprey eels, have a distinctive eel-like body, but unlike the eel their skeletons are made of cartilage rather than bone.
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Leatherback sea turtle The leatherback sea turtle (Dermochelys coriacea), sometimes called the lute turtle or leathery turtle, is the largest of all living turtles and is the fourth-heaviest modern reptile behind three crocodilians.It is the only living species in the genus Dermochelys and family Dermochelyidae.eatherback turtles have the most hydrodynamic body design of any sea turtle, with a large, teardrop-shaped body. A large pair of front flippers powers the turtles through the water. Like other sea turtles, the leatherback has flattened fore limbs adapted for swimming in the open ocean.
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Sea Lamprey Biology What is a Sea Lamprey? The sea lamprey (Petromyzon marinus) is one of 31 species of lamprey found throughout the world and one of four lamprey species found in the Lake Champlain Basin. Lamprey are eel-shaped fish with a skeleton made of cartilage, not bone. They belong to a relic (primitive) group of jawless fishes called Agnathans.
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- Sea Cucumber. Description: Sea cucumbers are part of a larger animal group called Echinodermata, which also contains starfish and sea urchins. Their body shape is similar to a cucumber, but they have small tentacle-like tube feet that are used for locomotion and feeding.
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Why would an underwater creature remain lodged to its prey? Some additional information that may be (but most likely isn't) useful: This creature can reach speeds of up to 90km/h. The creature can use echolocation. The tail, underside, and tentacles of the creature has a dolphin-like skin. The black dots on the front of the shell are eyes. All tentacles are able to retreat into the shell, similar to how the head of a turtle can be pulled all the way into the shell. The shell is very tough, and the horn especially dense.
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Gill The blood carries oxygen to other parts of the body. Carbon dioxide passes from the blood through the thin gill tissue into the water. Gills or gill-like organs, located in different parts of the body, are found in various groups of aquatic animals, including mollusks, crustaceans, insects, fish, and amphibians.he red gills of this common carp are visible as a result of a gill flap birth defect. A gill (/ɡɪl/) is a respiratory organ found in many aquatic organisms that extracts dissolved oxygen from water and excretes carbon dioxide.
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Classification Domain: Eukarya. The loggerhead sea turtle belongs to the domain Eukarya. The main characteristic of this domain is that all organisms are eukaryotic, where eu means true and karyo means nut or in this case nucleus (Guill, 1960).oggerhead sea turtles belong to the subphylum Vertebrata, which stems from the Latin root vertebra meaning a joint or backbone (Duermit, 2007; Guill, 1960). Characteristics of the subphylum vertebrata are that all the organisms have a vertebral column that is a main skeletal structure along the length of its body.
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Gill The blood carries oxygen to other parts of the body. Carbon dioxide passes from the blood through the thin gill tissue into the water. Gills or gill-like organs, located in different parts of the body, are found in various groups of aquatic animals, including mollusks, crustaceans, insects, fish, and amphibians.he concentration of oxygen in water is lower than air and it diffuses more slowly. In fresh water, the dissolved oxygen content is approximately 8 cm 3 /L compared to that of air which is 210 cm 3 /L.
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Northern Colorado races past Weber State 80-55 in Big Sky Ryan Richardson scored eight of his 27 points in overtime and Weber State defeated Portland State 95-86 on Thursday night for its eighth straight win. WeberStateMBB @WeberStateMBB Four Wildcats in double figures, led by @Rich22Ryan who tied his career-high with 27 points.
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- The Kid’s Times: Green Sea Turtle Sea turtles are graceful saltwater reptiles, well adapted to life in their marine world. With streamlined bodies and flipper-like limbs, they are graceful swimmers able to navigate across the oceans.
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- The animals in this phylum are the sea stars, sea urchins, bristle stars, sand dollars, and sea cucumbers. Echinoderms are found in all of the world's oceans. They are strictly salt-water animals. They are voracious predators, feeding on clams, oysters, abalone, mussels, and other shellfish.n ancestral chordate is shown in the image below. There are a couple of organisms in this phylum that are invertebrates. One such creature is called the sea squirt. Sea squirts show the four characteristics of all chordates previously described, but they never develop a solid backbone.
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Sea Squirt DNA Sheds Light On Vertebrate Evolution WALNUT CREEK, CA -- The streamlined genome of Ciona intestinalis, a common sea squirt closely related to vertebrates on the evolutionary tree, is providing new clues about the origins of key vertebrate systems and structures including the human hormone, nervous and immune systems.
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- Video - August 18, 2016; 12:10 AM ET. PHOTOS: Skywatchers capture breathtaking views of glowing Perseid meteors from around the world. News - August 15, 2016; 3:05 AM ET. From Croatia to the U.S., the Perseid meteor shower treated onlookers with a dazzling display.
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Limb (anatomy) A limb (from the Old English lim), or extremity, is a jointed, or prehensile (as octopus arms or new world monkey tails), appendage of the human or other animal body.In the human body, the upper and lower limbs are commonly called the arms and the legs.Most animals use limbs for locomotion, such as walking, running, or climbing. Some animals can use their front limbs (or upper limbs in humans) to carry and manipulate objects.n the human body, the upper and lower limbs are commonly called the arms and the legs. Most animals use limbs for locomotion, such as walking, running, or climbing. Some animals can use their front limbs (or upper limbs in humans) to carry and manipulate objects.
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Echinoderm Echinodermata is the largest phylum that does not have any of its organisms living on land or in fresh water. The most common Echinoderms are starfish, sea cucumbers, sea urchins, and sand dollars. The name literally means, in Greek, spiny skinned, because that's what echinoderms look like.
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Drontal for Cats by Bayer Animal Health Direct How it Works: Drontal's active ingredients are praziquantel, pyrantel pamoate and febantel. Praziquantel works by damaging the parasite's skin internally, so the parasite disintegrates and is removed by the pet's immune system. Pyrantel pamoate is active against hookworms and ascarids and acts as a blocking agent, causing paralysis.
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What Is an Endoskeleton? Top 10 amazing movie makeup transformations. An endoskeleton is a bone or cartilage-based skeleton that exists wholly inside of an animal’s body. All vertebrates, including humans, have endoskeletons. Echinoderms — a class that includes starfish and some sea anemones — also have this sort of bone structure.It is characterized by a spine from which bones extend, protecting the animal’s internal organs from within.ll vertebrates, including humans, have endoskeletons. Echinoderms — a class that includes starfish and some sea anemones — also have this sort of bone structure. It is characterized by a spine from which bones extend, protecting the animal’s internal organs from within.
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Sea cucumber Sea cucumber. Sea cucumbers are echinoderms from the class Holothuroidea. They are marine animals with a leathery skin and an elongated body containing a single, branched gonad. Sea cucumbers are found on the sea floor worldwide. The number of holothurian species worldwide is about 1,717 with the greatest number being in the Asia Pacific region. Many of these are gathered for human consumption and some species are cultivated in aquaculture systems. The harvested product is variously referred to as trepang ...
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Gill A gill (/ɡɪl/) is a respiratory organ found in many aquatic organisms that extracts dissolved oxygen from water and excretes carbon dioxide. The gills of some species, such as hermit crabs, have adapted to allow respiration on land provided they are kept moist.he concentration of oxygen in water is lower than air and it diffuses more slowly. In fresh water, the dissolved oxygen content is approximately 8 cm 3 /L compared to that of air which is 210 cm 3 /L. Water is 777 times more dense than air and is 100 times more viscous.
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- The body is often divided into a head, with eyes or tentacles, a muscular foot and a visceral mass housing the organs. Mollusks have a mantle, which is a fold of the outer skin lining the shell, and a muscular foot that is used for motion.he appendages of a starfish are called arms. Starfish typically  have five arms (also called rays) but depending on the species they  can have as few as three or as many as … fifty.
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Pictured: The incredible deep-sea glow worm called the 'Unicorn of the Sea' that can grow up to 100ft Divers from the Eaglehawk Dive Centre in Australia, including Michael Baron, have captured rare images of the Pyrostremma spinosum sea creature, pictured, that can reach 30 metres in length.
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Animal Facts They are all part of the reptile family. There are more than 250 types of turtles-the smallest is the Mud Turtle, which grows to about 4 inches (10cm) long and the largest is the Leatherback, which grows to about 79 inches (200cm). The Green Sea Turtle's legs are shaped like flippers. Green sea turtles are found in the Pacific, Atlantic and Indian oceans.
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Sea apple Sea apples are holothuroids, and as such share many of the same physical characteristics. A few notable characteristics are discussed below. For more information about the physiology of holothuroids in general, see the appropriate sections in the main article Sea cucumbers.ea apples, like many echinoderms, have rows of tube feet which help them move over and j to structures. The bodies and tentacles of sea apples come in many different colorings. The Australian species has a primarily purple body, red feet, and purple and white tentacles.
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- Button Text. Mermaid Syndrome or Sirenomelia is a genetic mutation that causes a child to be born with their legs to be fused together and the feet going separate ways resembling a mermaid tail.utton Text. Mermaid Syndrome or Sirenomelia is a genetic mutation that causes a child to be born with their legs to be fused together and the feet going separate ways resembling a mermaid tail.