A Brief Over-view of the Etymology of Modern Goju-ryu Karate-do Kata. By Joe Swift and Mario McKenna. It is now well documented that Okinawa karate is indebted to the Southern schools of Chinese boxing for much of its technical knowledge and expertise.
Best Answer: They are all warm-blooded, and they all have hair even if you can't see it (including dolphins and whales). Mammals all share mammary glands (milk producing glands). This is the biggest feature, also mammals use 3 bones for hearing and they have hair. Should be noted that endothermy (warm-blooded) is not unique to mammals, birds also share this characteristic.
Marsupials have the typical characteristics of mammals, like a fur coat. There are, however, striking differences in addition to a number anatomical features that separate them from the higher mammals (Eutheria).ven today, marsupials in many cases have 40 to 50 teeth, which is significantly more in comparison to placental mammals. There is a high number of incisors in the upper jaw, up to ten, and they have more molars than premolars.