Question

4) An animal with characteristics of both birds and mammals is.......​

Answer 1

Step-by-step explanation:

The diapsid (e.g., birds) and synapsid (e.g., mammals) lineages share many functionally similar characteristics, such as enhanced hearing, vocal communication, endothermy, insulation, shivering, respiratory turbinates, high basal metabolism, grinding, sustained activity, four chambered heart, high blood pressure and ...