Research has identified a species from the west coast of the United States that may have been the ancestor of 28 distinct species on the Hawaiian Islands. What is this species

when you breathe in, or inhale, your diaphragm contracts (tightens) and moves downward. this increases the space in your chest cavity, into which your lungs expand. the intercostal muscles between your ribs also enlarge the chest cavity. they contract to pull your rib cage both upward and outward when you inhale.

the answer is c.mitochondria. glad to .

well the answer is 2!