What are the three key adaptions amniotes have for life on land

Three major clades: deuterostomia, Ecdysozoa, and Lophotrochozoa

Flippers to move in water and land, food adaptations, they can be herbivores or carnivores, there is both food sources on earth, and also the ability to breath oxygen and hold their breaths for a long period of time hope it halps
 

Cortisol opposes the action. Cortisol is a hormone found in the adrenal gland. The hormone helps break down protein and fat in the body. Cortisol may be released when you are under high stress and it increases the amount of time it takes for a injury or wound to heal..