What kind of body covering do camels have? The early amniotes diverged into two main lines soon after the first amniotes arose. Amniotes are a clade of tetrapod vertebrates comprising the reptiles, birds, and mammals. The amniotic egg, with its self-contained pond, makes it possible for the embryo to develop within an egg laid on land. Because reptiles, birds, and mammals all have amniotic eggs, they are called amniotes. Lancelet and Lamprey <p>Turtle and Tuna</p> alternatives <p>Turtle and Leopard</p> <p>Lancelet and Lamprey</p> answer explanation . Camels aren't picky about what they eat. Faveolar lungs have small chambers which open to a common space. In mammals, membranes that are homologous to the extra-embryonic membranes in eggs are present in the placenta. Do reptiles have amnion? The albumin, or egg white, outside of the chorion provides the embryo with water and protein, whereas the fattier egg yolk contained in the yolk sac provides nutrients for the embryo, as is the case with the eggs of many other animals, such as amphibians. 11 ) Most frogs have teeth, although usually only on their upper jaw. The key features of an amniotic egg are shown. Why are sharks cartilaginous fish? Biologydictionary.net Editors. The amniotic egg is different because they have four extra membranes: a. a relatively large egg, like that of oviparous caecilians (right). Food for the "life." Most amphibians are four-legged vertebrates that do not have amniotic eggs. Since then, the two groups have evolved considerable differences in their anatomy and physiology, as discussed above. When you drop two balls of different weights from the same height, you will see that for low speeds, they practically fall together. For many years, the wild Bactrian was thought to be a subspecies of the domestic Bactrian. The second type of fish is the cartilaginous fishes. fluid-filled chorion, which "breaks" as labor begins. Classification updated from Wilson and Reeder's Mammal Species of the World: A Taxonomic and Geographic Reference using the Planet' Mammifres website.[1]. They have a four-chambered heart (as do mammals), forelimbs modified into wings (a trait shared with bats), a hard-shelled egg, and keen vision. Can gestational diabetes cause low amniotic fluid? In addition to their humps, camels have other ways to adapt to their environment. Most camels tower above humans. However, if we absolutely had to pick a side, based on the evolutionary evidence, were on Team Egg. Although it is the first egg of the game, it can only be obtained through trading. Actually,the embryo developing in the womb has the same membranes round it as does the embryo inside a bird egg. This means that both the synapsids and sauropsids had to adapt to the new terrestrial environment in a number of different ways. The amnion forms a fluid-filled cavity that provides the embryo with its own internal aquatic environment. She has multiple health, safety and lifesaving certifications from Oklahoma State University. Visit our corporate site (opens in new tab). Biologydictionary.net, April 17, 2019. https://biologydictionary.net/amniote/. In the placental mammals (600 to 1,000 kg) when they are fully grown. They develop their young within a uterus, but the young are born at an extremely early age. Which organism does not have a Vertebral . Amniotic eggs are the evolutionary separation between amphibians and reptiles. While this may not be as water-efficient as uric acid, it is much more efficient than excreting straight ammonia, which is what fish and amphibians typically do. Besides the amniotic egg, differences in skull size and shape evolved. The amnion can be found within the egg, as in lizards and birds, or the amnion can simply enclose the fetus within the uterus. With the development of the amniotic egg, reptiles were able to lay their eggs on land. Amniotes are characterized by having an egg equipped with an amnion, an adaptation to lay eggs on land or retain the fertilized egg within the mother. For more informaion, visit At birth, offspring of these animals are the largest of all amniotes comparatively. Camels can run at 25 mph (40 kph) for long periods. Why is the amniotic egg considered a self contained pond? Two types of feathers birds have (1) down feathers-->keep them warm However, molecular studies indicate that turtles descended from a diapsid ancestor. The amniotic egg, with its self-contained "pond," makes it possible for the embryo to develop within an egg laid on land. Here is the classification of camels, according to Integrated Taxonomic Information System: Kingdom: Animalia Subkingdom: Bilateria Infrakingdom: Deuterostomia Phylum: Chordata Subphylum: Vertebrata Infraphylum: Gnathostomata Superclass: Tetrapoda Class: Mammalia Subclass: Theria Infraclass: Eutheria Order: Artiodactyla Family: Camelidae Genus: Camelus Species: The wild Bactrian camel is considered critically endangered by the International Union for Conservation of Nature and has a population that is decreasing. Camel's ear s. We already mentioned that a camel's ears can be seen on the animal's head. New Moai statue that 'deified ancestors' found on Easter Island, 'Building blocks of life' recovered from asteroid Ryugu are older than the solar system itself, The ultimate action-packed science and technology magazine bursting with exciting information about the universe, Subscribe today and save an extra 5% with checkout code 'LOVE5', Engaging articles, amazing illustrations & exclusive interviews, Issues delivered straight to your door or device, Camelus bactrianus ferus (wild Bactrian camel). Become a member and. There are two types of camels: dromedary camels, which have one hump, and Bactrian camels, which have two humps. Anapsids have no openings, synapsids have one opening, and diapsids have two openings. Vertebrate, Amniotic egg: owl, turtles, toads, Vertebrate, No amniotic egg: chimpanzee, elephant. Amniotes have an amniotic egg, which typically has a hard covering to prevent desiccation. They are warm-blooded vertebrates more related to reptiles than to mammals. Use this quiz to check your understanding and decide whether to (1) study the previous section further or (2) move on to the next section. the membranes found in the egg have been modified somewhat. Yes, camels have embryonic development. The dromedary camel eats a wide variety of plants, including salty and thorny ones, and also . But most mammals have evolved amniotic eggs that develop inside the mother's womb, or uterus, and so lack a shell. See full answer below. They normally weigh 1,320 to 2,200 lbs. According to the Wild Camel Protection Foundation, there are fewer than 1,000 wild camels alive. Anapsids have no temporal fenestrae, synapsids have one, and diapsids have two. Camels are herbivores, though, so you won't find them eating meat. The main difference between the two species is that the wild Bactrian has three more chromosome pairs than the domestic Bactrian. Bactrian camels can carry more than 200 kg (about 440 pounds . What adaptations do camels have to survive in the desert? Their thick lips allow them to eat things that most other animals couldn't, such as thorny plants. Synapsids also include therapsids, which were mammal-like reptiles from which mammals evolved. They developed an amnion before their ancestors returned to the sea. Does frog have teeth? 10 extant species in 4 families, all in the Americas, comprising anteaters and sloths. Your email address will not be published. Though many people think that camels only live in hot climates, they do well in temperature ranges from 20 degrees F (minus 29 degrees C) to 120 degrees F (49 degrees C). PRIORITY CLAIM. These animals use a placenta, or oxygen and nutrient passing maternal membrane, to feed and nourish offspring within the womb. No, chimpanzees do not have amniotic eggs. Autor de la entrada Por ; the gambler ending explained Fecha de publicacin junio 4, 2021; spb hospitality headquarters en do camels have amniotic eggs en do camels have amniotic eggs Do sharks have placental embryonic development? The herds are led by a dominant male, while many of the other males form their own herd called a bachelor herd. Camels become fully mature when they are 7 years old. If the question refers to eggs in general, the egg came first. The allantois stores nitrogenous waste and facilitates respiration. Explanation: When looking at a cladogram, the red marks will refer to anything above it. It is protected by an external hard shell. In an amniotic egg, a membrane called the amnion surrounds the embryo and creates a fluid-filled cavity in which it develops. The chorion provides the final enclosure. The newborn calf is able to walk within 30 minutes, though the two won't rejoin the herd until around two weeks later. The amnion is the layer closes to the embryo. Dromedary camels (Camelus dromedarius) and the domestic Bactrian camel (Camelus bactrianus) were named in 1758 by Swedish zoologist Carl Linnaeus, who only knew of the domestic variety. The eggs of these species are often laid in water, which protects them from being damaged or squished. A marine animal with tube feet and radial symmetry would certainly be an Echinoderm? What's really inside their humps? Thealbumin, or egg white, outside of the chorion provides the embryo with water and protein, whereas the fattier egg yolk contained in the yolk sac provides nutrients for the embryo, as is the case with the eggs of many other animals, such as amphibians. They can easily carry an extra 200 pounds and can walk about 20 miles a day through the harsh desert climate. baby ballroom why did max and olivia split. The synapsid lung is an aveolar lung. The amnion protects the embryo from mechanical shock and supports hydration. Amphibians lay eggs that must remain moist. If 2.0% of this energy could be converted by a weight lifter's body into work done in lifting a barbell, what is the heaviest barbell that could be lifted a distance of 2.1 m? the fetus, and wastes are removed. determine the health of the unborn child. The outer shell of the amniotic egg serves the purpose of protection. While both the first and third are considered Bactrian camels due to having two humps instead of one, they are differentiated by their status as domesticated camels or wild camels. answer choices . No related posts. The yolk provides food for the growing embryo. Because amphibian eggs don't have an amnion, the eggs would dry out if they were laid on the land, so amphibians lay their eggs in water. Below is an organism which could have been a common ancestor of modern amniotes. In sauropsids, there will usually be found faveolar lungs, which differ from the lungs of the synapsids. Single births are most common, but twin camel births have been . The lepidosaurs include modern lizards, snakes, and tuataras. Amniotic eggs are the evolutionary separation between amphibians and reptiles. laid eggs, and a few, such as the In this lesson, you'll learn interesting information about Bactrian camels. This chart shows the evolution of amniotes. Short bursts of 65 km (40 miles) per hour are possible, but camels are excellent plodders. While all of these amniotes still have amniotic sacs, they also have very different methods of reproducing. (2019, April 17). They can carry about 375 to 600 lbs. "Amniotes." Amniota, a The last name in that list, the mammals, may have surprised you since most mammals do not lay eggs, but the earliest mammals laid eggs, and a few, such as the To understand this, you must first understand.. Baby camels are called calves. Which animals have amniotic eggs? Sand up the nose can be a problem, but not for camels. Did placental mammals evolve from marsupials? In birds and crocodylians, the shell membrane is heavily calcified to form a rigid shell. With the development of the amniotic egg, reptiles were able to lay their eggs on land. Although there were amphibious reptiles, early versions of the dinosaurs, the dominant life form was the trilobite, visually somewhere between a wood louse and an armadillo. Animals are divided into different phyla on the basis of: Which of the following is not an advantage of a body cavity? Biologydictionary.net Editors. In a way, claiming that these are seven separate characters seems dishonest since all but the last two are associated with one important life-style change: All amniotes reproduce using an air-breathing egg or its derivative. Amniotes are vertebrate organisms which have a fetal tissue known as the amnion. amniotic egg The type of egg produced by reptiles, birds, and prototherian (egg-laying) mammals ( amniotes ), in which the embryo develops inside an amnion. The allantois performs two very important functions for Did you have an idea for improving this content? This allows baby turtles to stay protected from predators, while also providing a semi-aquatic environment that helps them develop and grow. Reptiles were the first amniotes. An The disclosures of these phoenix 2021 limited worth; najbolje srpske pesme svih vremena. The only exceptions to this are the whales, which live an entirely aquatic life. The first egg of the game is the Blue Egg, and it was introduced to the game last summer. Skull shape is one factor used to differentiate reptiles, mammals and birds. The shells of reptile eggs are leathery and require a moist environment. This domestic camel has one hump and is extinct in the wild. Do fish have amniotic eggs? (Again independent?). ", Biologydictionary.net Editors. Sauropsids include turtles, lizards, crocodiles, and birds. Albumen (and other proteins) Three extraembryonic membranes: Chorion: Encloses the embryo, yolk and other membranes. Do cows have to be pregnant to be milked? Figure 1. Mammals also have an amnion and vestigial yolk sace and thus are also amniotes. Do elephants and rhinos share the same embryonic development? This is a defense tactic when the animals feel threatened. The diapsids include birds and all other living and extinct reptiles. Like the giraffe's, the camel's gait is a pace, with both legs on a side moving together. Sauropsids include reptiles and birds, and can be further divided into anapsids and diapsids. Clade Dinosauria includes birds, which evolved from a branch of dinosaurs. Answer (1 of 2): Embryos are surrounded by a set of fluid filled membranes called the amnion. The muscle separating the abdominal and thoracic cavities is the, diaphram \quad diaphragm \quad diahragm \quad diapragm. The amniotes reptiles, birds, and mammalsare distinguished from amphibians by their terrestrially adapted egg, which is protected by amniotic membranes. After a gestation of 12 to 14 months, a mother camel will find a private spot to have her young. do camels have amniotic eggs. Most reptiles reproduce sexually and have internal fertilization. The camel's hump is like a storage container. Amniote embryos, whether laid as eggs or carried by the female, are protected and aided by several extensive membranes. Scenarios of it origin are, necessarily, speculative, but the general consensus is that its precursor would have been: Claws or nails at the end of digits. Amphibians are four-legged animals that don't have amniotic eggs. The shells of bird eggs are composed of calcium carbonate and are hard, but fragile. Do echinoderms have a pharyngeal pouch during embryonic development? Birds, reptiles, and mammals have amniotic eggs. In addition to maintaining a wet environment necessary for survival of the embryo, what other essential characteristic does the amniotic egg possess? Squamata, the largest group of reptiles, includes the lizards and snakes. Sponges, cnidarians, and flatworms all lack which characteristic found in most other animal groups? air, food, and wastes must be transferred. Our experts can answer your tough homework and study questions. Camels . So in the development of of her birth, So here we have a chicken, any human, even though they end up being drastically different organisms in the embryo, a logical states, they have Very, very, uh, you have many somewhere these including friendly old gill slits and also tales most able tail. The amniotic egg is the key characteristic of amniotes. Bactrian camels have slightly longer ears, slightly under 6 inches (15cm) compared to Wild Bactrians, whose are 4 inches long (10cm). This arrangement has been variously modified. Surrounding all the other membranes is the chorion, Answer the question(s) below to see how well you understand the topics covered in the previous section. The allantois stores nitrogenous wastes produced by the embryo and also facilitates respiration. Female camels have a gestation period of 12 to 14 months. Are lampreys cartilaginous fish? The shells of most nonavian reptile eggs, such as turtles, are leathery and require a moist environment. Which of the following statements about the parts of an egg are false? Extra-embryonic membranes include an amnion, chorion, yolk sac, and an allantois. The fluid in the sac keeps the embryo moist. Figure3. Mammals give birth to live young because the development takes place internally. Examples: turtles, snakes, lizards, dinosaurs, and crocodiles. egg is unique to the amniotes, a group that includes turtles, lizards, Amniotic eggs have a membrane called the amnion. Anything below a red mark will not have the featured attribute, but everything after it will have it. Fish and amphibians are anamniotes, meaning without an amnion. Typically, they lay eggs although there are some exceptions. The class Mammalia is divided into two subclasses based on reproductive techniques: monotremes, which lay eggs, and therians, mammals which give live birth, which has two infraclasses: marsupials (pouched mammals) and placental mammals.See List of monotremes and marsupials, and for the clades and families, see Mammal classification.Classification updated from Wilson and Reeder's Mammal Species . It has been used as a working animal in North Africa and the Middle East for thousands of years. Many mammals have a modified amniotic egg, which is an amniote. The shells of reptile eggs are leathery and require a moist environment. While the majority of eggs from the various species, ranging from reptiles, birds, fishes, and even insects, can be eaten safely, there are definitely some Does A Lizard Have An . In amniotes, the yolk mass is too large for this. At the time, the new terrestrial environment provided a number of new niches for the animals to fill, which also diversified them significantly. However, placental mammals also have fewer offspring compared to sauropsid amniotes. document.getElementById( "ak_js_1" ).setAttribute( "value", ( new Date() ).getTime() ); 2012-2023 On Secret Hunt - All Rights Reserved In fact, wild camels are one of the most endangered large mammals. Thankfully, they'll all miss. Instead, modern phylogenetics places birds and reptiles into a larger clade together, though birds (not reptiles) are the true descendants of dinosaurs. Amniote embryos, whether laid as eggs or carried by the female, are protected and aided by several extensive membranes. Save my name, email, and website in this browser for the next time I comment. Eggs that contain an amnion to protect the embryo are referred to as amniotic eggs. monotremes, still do. Jane B. Reece, Lisa A. Urry, Michael L. Cain, Peter V Minorsky, Robert B Jackson, Steven A. Wasserman. do camels have amniotic eggs Sign in dialogue writing between you and your favourite singer. Members of which phylum have a notochord, dorsal nerve cord,. When there is little food and water, the camel's hump fat releases water; 9.3 grams of fat releases 1.13 grams of water, according to research by the University of Singapore. During its time in the game, it was sold to 100 Bucks and included the uncommon class Blue Dog. Major features of the amniotic egg: It is an air-breathing egg, in contrast to those of other vertebrates. To explain for the fact that all vertebrate embryos have NGO pouches. The uterus, also called the womb, is the organ of pregnancy and the largest of the organs of the female reproductive system of most mammals.It is a muscular, hollow, pear-shaped, intraperitoneal organ, located in the lesser pelvis of the woman that, when she assumes the anteverted position, rests on the urinary bladder in front, with the rectum behind her. Other membranes aid in gas exchange, protection, and removal of wastes. Camels' humps consist of stored fat, which they can metabolize when food and water is scarce. The fluid inside the amnion, called amniotic fluid, acts as a cushion to help protect the developing embryo from physical danger. Theplacenta,which transports nutrients and functions in gas exchange and waste management, is derived from the chorion and allantois. Reptiles have amniotic eggs, whereas amphibians do not. Amniotes are characterized by having an egg equipped with an amnion, an adaptation to lay eggs on land or retain the fertilized egg within the mother. other critters produce eggs from which their young hatch. Reptiles and mammals are members of a group called Amniota (the amniotes). B. Formally, this constitutes many different groups, but the sauropsid amniotes share many derived characteristics which separate them from the synapsids. The heart of sauropsids lacks a permanently divided ventricle. An amniotic egg will normally have multiple parts, like a chicken egg. (Image credit: Creative Commons Attribution-Share Alike 3.0 Unported | Garrondo), (Image credit: Wikimedia Commons user Daderot), International Union for Conservation of Nature, In rare case, mother delivers two sets of identical twins, back to back, 'Brain-eating' amoeba case in Florida potentially tied to unfiltered water in sinus rinse, Painful 'cross-shaped incision' in medieval woman's skull didn't kill her, but second surgery did, Human brain looks years 'older' after just one night without sleep, small study shows. Anamniote embryowas then enclosed in the amnion, which was in turn encased in an extra-embryonic coelom contained within the chorion. Why might this be the case? The phylum of animals that does not show true tissues of symmetry is: Which group is most closely related to the echinoderms? The amnion forms a fluid-filled cavity that provides the embryo with its own internal aquatic environment. Lacking a protected fluid-filled cavity requires the non-amniotic eggs of amphibians to remain in water. Tags: Topics: Question 5 . How are camels adapted to life in the desert? Their bodies rehydrate faster than any other mammal. "Amniotes. The amniotic egg allowed tetrapods to become completely terrestrial. This is called a surge function because its graph shows an initial surge in the drug level followed by a more gradual decline. In this case we are looking at having an amniotic egg. These membranes are the amnion, or protective layer, the top chorion layer, and the waste-absorbing allantois. While human eggs have lost the shell, in many ways they are identical to chicken eggs as they develop within the uterus. [1] Can You Eat Lizard Eggs All eggs are not edible. When it is time to give birth, the expectant mother typically separates from the main herd. Anapsids include extinct organisms and may, based on anatomy, include turtles. amtifo backup camera troubleshooting. The amniotesreptiles, birds, and mammalsare distinguished from amphibians by their terrestrially adapted egg, which is protected by amniotic membranes. The amnion is a membrane derived from fetal tissue which surrounds and protects the fetus. The albumin, or egg white, provides the embryo with water and protein, whereas the fattier egg yolk is the energy supply for the embryo, as is the case with the eggs of many other animals, such as amphibians. This. Amphibians lay eggs that must remain moist. The first amniotes, referred to as basal amniotes, resembled small lizards and evolved from the amphibian reptiliomorphs about 312 million years ago, in the Carboniferous geologic period. A form of asexual reproduction in which an unfertilized egg can develop into an adult organism is: What replaces the membranes and nutrition source of amniotic eggs in organisms that exhibit live birth without amniotic eggs? Avoid predation on larvae by aquatic predators. The shell of the egg is either calcium-based or leathery. How is frog, chick, and mouse embryonic development different? Although the shells of various amniotic species vary significantly, they all allow retention of water. The monotremes, like the platypus, still lay eggs in nests. No. No, chimpanzees do not have amniotic eggs. Their skeletons are made of cartilage, just like the skeletons of the jawless fishes. In placental mammals, the yolk and shell are suppressed, and the membranes modified into the placenta and umbilical cord. In eutherian mammals (such as humans), these membranes include the amniotic . Do monotremes have internal fertilization? The first amniote eggthat is, a hard-shelled egg that could be laid on land, rather than remaining in water like the eggs of fish or amphibiansappeared around 312 million years ago. The Version table provides details related to the release that this issue/RFE will be addressed. Salamanders, frogs, and other living amphibians are in a quite derived lineage of tetrapods, called Lissamphibia. Amniotes include most of the vertebrates, excluding fish and amphibians. Theamniotic eggis the key characteristic of amniotes. Over the past 16 years, Alina has covered everything from Ebola to androids while writing health, science and tech articles for major publications. To date, she has been a volunteer firefighter, a dispatcher, substitute teacher, artist, janitor, children's book author, pizza maker, event coordinator and much more. Most mammals do not lay eggs (except for monotremes such as the echindnas and platypuses). Do chimpanzees have amniotic eggs? The amnion is seen within egg-laying species, such as birds and reptiles, as well as in mammals. The two groups evolved around the same time, from a common ancestor which was likely not terrestrial. The allantois stores nitrogenous waste and facilitates respiration. As a general, common feature, what characteristic do flatworms (platyhelminthes) have in common with some of the more advanced animal phyla? ), they all developed from a common ancestor which developed the amnion character. All rights reserved. These layers can be seen in the image of a chicken egg, below. NASA warns of 3 skyscraper-sized asteroids headed toward Earth this week. Around the chorion is the albumin, or "white" of the egg, and Tyrannosaurus rex was an athletic, warm-blooded animal that jogged rather than lumbered around its territory, according to a new study. Did mammals evolve from reptiles or amphibians? Wild Bactrian camels (Camelus ferus) were discovered in 1878 by Nikolai Prejevalsky, a Russian geographer who explored Mongolia and Tibet. Reduce competition for pools of water in which larvae can mature. When the egg is fertilized and implanted in, Your email address will not be published. Do mammals have amnion? Live Science is part of Future US Inc, an international media group and leading digital publisher. buffer for environmental conditions. how do you sleep with a holter heart monitor? In eutherian mammals (such as humans), these membranes include the amniotic . Synapsids developed different lungs than the sauropsids. Although the shells of various reptilian amniotic species vary significantly, they all permit the retention of water and nutrients for the developing embryo. The last name in that list, the mammals, may A 115kg115 \mathrm{~kg}115kg total of copper and zinc ((( 4parts4\ \text{parts}4parts Zn\mathrm{Zn}Zn to 6parts6\ \text{parts}6parts Cu\mathrm{Cu}Cu ))) is mixed at 400C400^{\circ} \mathrm{C}400C. SURVEY . Camels are mammals with long legs, a big-lipped snout and a humped back. The egg shells of bird (avian reptiles) are hardened with calcium carbonate, making them rigid, but fragile. Nutrition is supplied to the developing embryo through the yolk sac. Jellyfish. The amniotic egg allows reptiles, birds and mammals to lay eggs on land without drying out. Free animals from dependency on bodies of water for reproduction and larval stage. The amniotic cavity is filled with albumen. Amphibians are four-legged animals that dont have amniotic eggs. The sauropsid amniotes include the reptiles and birds. Snails and slugs are in which mollusc group? Instead, the embryo grows within the mothers body; however, even with this internal gestation, amniotic membranes are still present. Amniotic eggs were a huge evolutional advancement for turtles, as it allowed turtles to lay their eggs in dry environments. While amniotes share a number of other characteristics in general (being vertebrates, tetrapods, etc. Home | About | Contact | Copyright | Privacy | Cookie Policy | Terms & Conditions | Sitemap. This large reptile-looking organism likely had primitive lungs, heart, and kidneys. At some point in their lives, all chordates have: As a part of your independent study in field biology, you are sent to a small, inland sea. Amniotes are characterized by having an egg equipped with an amnion, an adaptation to lay eggs on land or retain the fertilized egg within the mother. egg is unique to the amniotes, a group that includes turtles, lizards, birds, dinosaurs, and mammals. This likely occurred in the Devonian period, around 400 million years ago. Camels can survive for long periods of time without food or water. Do marsupials complete embryonic development before birth? Worldwide, there are three recognized species of camels. Are all animals amniotes? This was a significant development that further distinguishes the amniotes from amphibians, which were and continue to be restricted to moist environments due their shell-less eggs.
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