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Sep 30, 2024 · mammal, (class Mammalia), any member of the group of vertebrate animals in which the young are nourished with milk from special mammary glands of the mother. In addition to these characteristic milk glands, mammals are distinguished by several other unique features.
Sep 30, 2024 · Mammal - Classification, Class Mammalia, Monotremes, Marsupials & Placental Mammals: This classification of living mammalian taxa includes the subclass Prototheria (monotremes) and the subclass Theria (live-bearing mammals), which is comprised of infraclasses Metatheria (marsupials) and Eutheria (placental mammals).
Mammals. Mammals are distinguished by their ability to produce milk. The class Mammalia boasts tremendous diversity in form and habit, and different types of mammals can be wildly different from one another in physical appearance.
mammal, Any member of the class (Mammalia) of warm-blooded vertebrates having four limbs (except for some aquatic species) and distinguished from other chordate classes by the female’s milk-secreting glands and the presence of hair at some stage of development.
Sep 30, 2024 · Mammal - Evolution, Classification, Adaptations: Mammals were derived during the Triassic Period from therapsids. Many of the attributes that evolved are correlated with their highly active habits—for example, efficient circulation with a four-chambered heart, hair for insulation, endothermy (warm-bloodedness), and improved ...
Sep 30, 2024 · Mammal - Adaptations, Physiology, Reproduction: The skin is constructed of two layers, the epidermis and the dermis. Most mammals have three distinct kinds of hair: guard hairs, underfur, and whiskers.
A mammal is an animal that breathes air, has a backbone, and grows hair at some point during its life. In addition, all female mammals have glands that can produce milk. Mammals are among the most intelligent of all living creatures.
The term mammal explains one important way in which creatures in this class are set apart from other animals. It comes from the Latin mamma, which means “breast.” Every female mammal has special glands, mammae, that secrete milk. The females of all but the most primitive mammalian species are viviparous. This means they bear their young alive.
Oct 1, 2024 · lion, (Panthera leo), large, powerfully built cat (family Felidae) that is second in size only to the tiger; it is a famous apex predator (meaning without a natural predator or enemy). The proverbial “king of beasts,” the lion has been one of the best-known wild animals since earliest times.
Sep 29, 2024 · Cheetah, one of the world’s most-recognizable cats, known especially for its speed. Cheetahs’ sprints have been measured at a maximum of 114 km (71 miles) per hour, and they routinely reach velocities of 80–100 km per hour while pursuing prey. Nearly all cheetahs remaining in the wild live in Africa.
