A) Presence of diaphragm
B) Four chambered heart
C) Rib cage
D) Homeothormy
Correct Answer: A
Solution :
Presence of diaphragm is unique feature of mammals which separate thoracic cavity from interior abdomen cavity. Homeothermy is also found in birds, similarly four chambered heart and ribcage are also characterised by other classes of vertebrates apart from the mammals.You need to login to perform this action.
You will be redirected in
3 sec