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- Dictionarymammal/ˈmaml/
noun
- 1. 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.
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17 hours ago · A mammal (from Latin mamma 'breast') [ 1 ] is a vertebrate animal of the class Mammalia (/ məˈmeɪli.ə /). Mammals are characterized by the presence of milk -producing mammary glands for feeding their young, a broad neocortex region of the brain, fur or hair, and three middle ear bones.
2 days ago · Mammals are vertebrates that feed their young with milk and have hair, a hinged lower jaw, and a muscular diaphragm. Learn about the evolution, classification, and distribution of mammals, from bats to whales, from Britannica.
- An animal is considered a mammal if it can produce milk. Other features unique to mammals include hair or fur (chemically different from hairlike s...
- It is estimated that there are more than 5,500 living mammal species. Mammals are incredibly diverse and can be found in every major habitat.
- The biggest living mammal—indeed, the largest animal ever—is the blue whale. It can be as heavy as 180 metric tons (200 short tons) and reach a len...
- According to fossil records, mammals have existed since the Triassic Period, alongside early dinosaurs such as Riojasaurus and Saltopus. True mamma...
- Mammals evolved from a group of reptiles called therapsids, which lived from 299 million to 200 million years ago. Therapsids were quadrupedal and...
- The platypus has many features not found in other mammals. It is part of a group of mammals known as monotremes, which lay eggs and have specialize...
Sep 7, 2024 · What exactly is it that makes a mammal a mammal, and not a reptile, a bird, or a fish? There are eight main characteristics of mammals, ranging from having hair to four-chambered hearts, that set mammals apart from all other vertebrates.
- Bob Strauss
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Sep 20, 2024 · A mammal is a warm-blooded vertebrate with mammary glands that produce milk for offspring. Mammals have hair or fur, three middle ear bones, and a complex brain. They include diverse species such as humans, whales, elephants, and bats.
2 days ago · The most common remains of mammals are teeth and the associated bones of the jaw and skull. Enamel covering the typical mammalian tooth is composed of prismatic rods of crystalline apatite and is the hardest tissue in the mammalian body.
Sep 15, 2024 · Animal, any of a group of multicellular eukaryotic organisms thought to have evolved independently from the unicellular eukaryotes. Animals differ from other multicellular eukaryotes, the plants and the fungi, in morphology and physiology in that animals evolved muscles, which allow them to be mobile.
3 days ago · In the following slides, we'll explore the basic characteristics shared by all (or at least most) animals, from snails and zebras to mongooses and sea anemones: multicellularity, eukaryotic cell structure, specialized tissues, sexual reproduction, a blastula stage of development, motility, heterotrophy and possession of an advanced nervous system.
