How did robert whittaker change classification? he created an organizational hierarchy. he classified organisms as plants or animals. he added the phylum and family levels. he reorganized life into five kingdoms.

The answer is he reorganized life into five kingdom

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.