Considering how diverse all living things are, it is not an easy task for scientists to organize, classify, and study every type of living organism. To begin, we do know that all living organisms must exhibit the characteristics of life.

The friction red blood cells encounter when moving past each other. cardiac output: the amount of friction blood encounters during flow through blood vessels. blood pressure: the force of the blood against the vessel wall. blood viscosity: the volume of blood pumped out by one ventricle each minute.

The third stage of cellular respiration is (2 points)

Homo heidelbergensis was a tall, muscular hunter, who used both tools and weapons. because h. heidelbergensis was not a gatherer/forager, but ate a varied diet including meat and fish, we would expect to see what anatomical changes?