Answer:
Explanation:
Wild guess. Photosynthesis
Oxygen and carbon dioxide travels to and from tiny air sacs in the lungs, through the walls of the capillaries, into the blood. Blood leaves the heart through the pulmonic valve, into the pulmonary artery and to the lungs.
This is true because all living organism experience life.
Fossils show evidence of descent with modification
D.stable to slightly shrinking
