Dec 22, 2025 · 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 …

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.

MAMMAL meaning: a type of animal that feeds milk to its young and that usually has hair or fur covering most of its skin

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 …

Despite their size differences, the great blue whale and the pygmy shrew have something in common: they are both members of a warm-blooded, air-breathing class of vertebrate (backboned) animals …

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 …

Dec 22, 2025 · Mammal - Evolution, Classification, Adaptations: Mammals were derived during the Triassic Period from therapsids.

Dec 22, 2025 · This classification is modified from that of Malcolm C. McKenna and Susan K. Bell (1997) to classify higher categories of mammals with significant contributions from Don E. Wilson and …

Nov 21, 2025 · Researchers are more confident in the counts of some groups of plants, such as trees (of which there are slightly more than 60,000 species), and some groups of animals, such as mammals …

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 …