The term mammal encompasses a huge variety of animals, including humans. But what makes a mammal a mammal? This free course, Studying mammals: A winning design, explores some of the features, such as reproduction, lactation and thermoregulation methods, that mammals have in common. It is the first in a series of ten Studying mammals courses.
NOTE: The Studying mammals series is gradually being updated and replaced. You can study an improved freestanding version of this course, titled Introducing mammals, here: