The lower respiratory tract is sometimes referred to as the tracheobronchial tree, this describes the branching structure of airways supplying air to the lungs, this includes the trachea, bronchi and bronchioles.
That organism might rely on the diffusion of oxygen and carbon dioxide through their outer body covering if it's : B. small and lives in water
Organisms that live in water cannot get their oxygen with the same process like we did on the land. They need the process of diffusion in order to do it
Hope this helps
Mother is b+ and o-, and father is a+ and o-
Light, oxygen, gravity. idk about gravity, but i put it in there for cause
