List the levels of organization from most complex to simplest.

Vertebrates have this type of circulatory system: wut i it owo

Fundamental emotions or emotions that are learned and are highly complex true or false

Astructural difference between the trachea and esophagus that prevents the trachea from collapsing is the presence of: a) smooth muscle b) skeletal muscle c) respiratory cilia d) rings of cartilage