What Is a Mammal?: Where Do Mammals Live?

The video tutorial explores the characteristics that define mammals, such as being vertebrates with a backbone, having fur or hair, and being warm-blooded. It also discusses how most mammals give live birth and nourish their young with milk from mammary glands. These features distinguish mammals from other animal groups like birds and fish.

Describe the differences between mammals and birds or fish in terms of reproduction.

What is the role of mammary glands in mammals?