The only large land mass(es) not part of a sovereign state is/are

Antarctica is the large land mass that does not part of a sovereign state. Under the Antarctic Treaty of 1959 Antarctica is the first continent to move beyond the modern doctrine of sovereign territorial states: “No acts or activities taking place while the present Treaty is in force”, states Article IV, “shall constitute a basis for asserting, supporting or denying a claim to territorial.

It changes food into energy that the organism can use.