Construction is the process of constructing a building or infrastructure. Construction differs from manufacturing in that manufacturing typically involves mass production of similar items without a designated purchaser, while construction typically takes place on location for a known client.
Eutherians, often called placental mammals, have a unique reproductive system in which unborn young are nourished for an extended period via a placenta. This system permits retention of the young in the protective environment of the uterus during most of early development.
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. [1820â30; as singular of New Latin Mammalia, neuter pl. of Late Latin mammÄlis of the breast.