what is a mammal definition
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- Full Definition of MAMMAL. : any of a class (Mammalia) of warm-blooded higher vertebrates (as placentals, marsupials, or monotremes) that nourish their young with milk secreted by mammary glands, have the skin usually more or less covered with hair, and include humans.— mam·ma·li·an \mə-ˈmā-lē-ən, ma-\ adjective or noun. a warm-blooded animal (as a dog, mouse, bear, whale, or human being) with a backbone that feeds its young with milk produced by the mother and has skin usually more or less covered with hair.
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mammal Any of various warm-blooded vertebrate animals whose young feed on milk that is produced by the mother's mammary glands. Unlike other vertebrates, mammals have a diaphragm that separates the heart and lungs from the other internal organs, red blood cells that lack a nucleus, and usually hair or fur.ny warm-blooded vertebrate of the class Mammalia, characterized by a covering of hair on some or most of the body, a four-chambered heart, and nourishment of the newborn with milk from maternal mammary glands.
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- Mammals are warm-blooded vertebrates which, with the exception of a few notable species, nurse their young on milk produced by the female’s mammary glands, give birth to live young, and have bodies insulated by hair.
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- Hair. Hair is one of the characteristics of a mammal that is unique to mammals—no other animals have true hair and all mammals have hair covering at least part of their body at some time during their life. An individual hair consists of a rod of cells that are reinforced by a protein known as keratin.air is one of the characteristics of a mammal that is unique to mammals—no other animals have true hair and all mammals have hair covering at least part of their body at some time during their life.
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mammal Any of various warm-blooded vertebrate animals whose young feed on milk that is produced by the mother's mammary glands. Unlike other vertebrates, mammals have a diaphragm that separates the heart and lungs from the other internal organs, red blood cells that lack a nucleus, and usually hair or fur.ny of various warm-blooded vertebrate animals of the class Mammalia, including humans, characterized by a covering of hair on the skin and, in the female, milk-producing mammary glands for nourishing the young.
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What Makes a Mammal a Mammal? There are a few main characteristics that set mammals apart from other animal groups, like insects or reptiles. These special characteristics make a mammal a mammal.1  The animal is warm-blooded or endothermic – able to keep a constant body temperature no matter what the temperature of the environment.2  The animal has mammary glands, which produces milk to nurse the young.here are a few main characteristics that set mammals apart from other animal groups, like insects or reptiles. These special characteristics make a mammal a mammal.
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mammal All mammals but the monotremes bear live young. Dogs, mice, whales, and humans are mammals. 1  amniocentesis, amnion - Amniocentesis is formed by amnion, the innermost membrane enclosing a fetus, and Greek kentesis, pricking..  endoskeleton - Contained entirely within the body of an animal, like that of mammals.
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Mammals Mammals are a particular class of animal. What makes an animal a mammal are several things. First, they must have glands that give milk. This is to feed their babies. Second, they are warm-blooded.Third, all mammals have fur or hair. Humans are mammals and so are dogs, whales, elephants, and horses.ammals are a particular class of animal. What makes an animal a mammal are several things. First, they must have glands that give milk. This is to feed their babies. Second, they are warm-blooded.
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Windows XP 1 Choose Properties from the context menu. 2  Look just below the Microsoft Windows XP label for the particular edition of XP (for example, Professional x64 Edition or Home). 3  If the edition contains the word x64 then your machine has a 64-bit version of Windows XP; otherwise, it is 32-bit.
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creature The definition of a creature is a person, animal or other being, real, imaginary or mythical. 1  An example of a creature is a cyclops.  An example of a creature is sasquatch.
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- noun. A warm-blooded vertebrate animal of a class that is distinguished by the possession of hair or fur, females that secrete milk for the nourishment of the young, and (typically) the birth of live young. Example sentences. 1  It provides the growing young with everything it wants, and only mammals produce milk.2  The domestic animal is the first mammal known to die of the disease in Europe. 3  The male feeds the female while she incubates, catching small mammals and birds and bringing them back to the nest.xample sentences. 1  It provides the growing young with everything it wants, and only mammals produce milk. 2  The domestic animal is the first mammal known to die of the disease in Europe. 3  The male feeds the female while she incubates, catching small mammals and birds and bringing them back to the nest.
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Whale Whale is the common name for a widely distributed and diverse group of fully aquatic marine mammals. They are an informal grouping within the infraorder Cetacea, excluding dolphins and porpoises, so to zoologists the grouping is paraphyletic.hales range in size from the 2.6 metres (8.5 ft) and 135 kilograms (298 lb) dwarf sperm whale to the 34 metres (112 ft) and 190 metric tons (210 short tons) blue whale. Overall, they tend to dwarf other cetartiodactyls; the blue whale is the largest creature on earth.
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- Mammals. Mammals are warm-blooded vertebrates which, with the exception of a few notable species, nurse their young on milk produced by the female’s mammary glands, give birth to live young, and have bodies insulated by hair. Around one in four of the world’s mammals are currently threatened with extinction.
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Mammals Mammals are a particular class of animal. What makes an animal a mammal are several things. First, they must have glands that give milk.This is to feed their babies. Second, they are warm-blooded.Third, all mammals have fur or hair. Humans are mammals and so are dogs, whales, elephants, and horses.hat makes an animal a mammal are several things. First, they must have glands that give milk. This is to feed their babies. Second, they are warm-blooded. Third, all mammals have fur or hair. Humans are mammals and so are dogs, whales, elephants, and horses.
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- A whale is defined as any of the larger cetacean mammals having a streamlined body and breathing through a blowhole on the head. This means that whales are mammals. They're warm blooded, bear live young and also suckle them with milk.
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Whale Whales are a widely distributed and diverse group of fully aquatic placental marine mammals. They are an informal grouping within the infraorder Cetacea, usually excluding dolphins and porpoises.
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whale (ʰweɪl, weɪl) n., pl. whales, (esp. collectively) whale, n. 1. any of the larger marine mammals of the order Cetacea, esp. as distinguished from the smaller dolphins, having a fishlike body, forelimbs modified into flippers, and a horizontally flattened head.
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- A mammal is an endothermic vertebrate with a four-chambered heart,  and at least some hair, fur or bristles. A Mammal is normally  defined as a warm-blooded animal with a co … vering of skin and hair  which gives birth to live young who are nourished with milk  produced by the mother's mammary glands.o, Every Warm-Blooded Person (or animal) is not a mammal a  elephant is not a mammal btw  .++++  Sorry but that is totally wrong. All mammals  including humans and elepha … nts are warm-blooded,  part of the definition of a mammal. The other primary  characteristics of mammals are live birth and suckling.  .
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- The official definition for the word mammal is a warm-blooded  vertebrate animal of a class that is distinguished by the  possession of hair or fur, the secretion of milk by females for the  nourishment of the young, and the birth of live young.. Mammals are warm blooded. They also have hair or fur.
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- What Is A Marine Mammal? Simple put, a marine mammal is a mammal who lives in a marine or, in some cases, an aquatic environment and obtains all or most of its food there too. So, what is a mammal then? To be classified as a mammal an animal must posses all five of these characteristics.They have lungs and breath air.ll marine mammals were originally land mammals and share common ancestry and characteristics with every other mammal. Over time they became more and more specialized to meet the challenges of life in an aquatic environment.
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Small Mammals Small mammals are smaller-sized, warm-blooded animals with hair. Young are nourished with milk from the mother. Examples are foxes, rabbits, and squirrels. Small mammals are found throughout North America.
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- Full Definition of MAMMAL. : any of a class (Mammalia) of warm-blooded higher vertebrates (as placentals, marsupials, or monotremes) that nourish their young with milk secreted by mammary glands, have the skin usually more or less covered with hair, and include humans.— mam·ma·li·an \mə-ˈmā-lē-ən, ma-\ adjective or noun. any of a class (Mammalia) of warm-blooded higher vertebrates (as placentals, marsupials, or monotremes) that nourish their young with milk secreted by mammary glands, have the skin usually more or less covered with hair, and include humans. — mam·ma·li·an \mə-ˈmā-lē-ən, ma-\ adjective or noun.
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Definitions &Translations The basic body type is a four-legged land-borne animal, but some mammals are adapted for life at sea, in the air, in the trees, or on two legs. The largest group of mammals, the placentals, have a placenta, which enables feeding the fetus during gestation.he word  mammal  is modern, from the scientific name Mammalia coined by Carl Linnaeus in 1758, derived from the Latin mamma (teat, pap).
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mammal mammal. n. 1. (Zoology) any animal of the Mammalia, a large class of warm-blooded vertebrates having mammary glands in the female, a thoracic diaphragm, and a four-chambered heart. The class includes the whales, carnivores, rodents, bats, primates, etc.ny warm-blooded vertebrate of the class Mammalia, characterized by a covering of hair on some or most of the body, a four-chambered heart, and nourishment of the newborn with milk from maternal mammary glands. [1820–30; as singular of New Latin Mammalia, neuter pl. of Late Latin mammālis of the breast.
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Rodent Rodents (from Latin rodere, to gnaw) are mammals of the order Rodentia, which are characterized by a single pair of continuously growing incisors in each of the upper and lower jaws. About 40% of all mammal species are rodents; they are found in vast numbers on all continents except Antarctica.
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- noun. 1  Any of various hoofed, even-toed, usually horned mammals of the suborder Ruminantia, such as cattle, sheep, deer, antelopes, and giraffes, characteristically having a stomach divided into four compartments and chewing a cud that consists of plant food that is regurgitated when partially digested.