Biology Practice Problems Aminotes Practice Problems Solution: All of the following are unique (only found in) av...

Solution: All of the following are unique (only found in) avian characters, EXCEPT:a. Four-chambered heartb. Air sacsc. Feathers

Problem

All of the following are unique (only found in) avian characters, EXCEPT:

a. Four-chambered heart

b. Air sacs

c. Feathers