<meta http-equiv="refresh" content="1; url=/nojavascript/"> Mammal Characteristics ( Web Links ) | Biology | CK-12 Foundation
Dismiss
Skip Navigation

Mammal Characteristics

%
Progress
Practice Mammal Characteristics
Practice
Progress
%
Practice Now
This interesting article explores the defining characteristics of mammals, including the hair, three middle ear bones, endothermy, diaphragm, and the four-chambered heart.
Open the resource in a new window.

Reviews

Please wait...
Please wait...

Original text