What is life, making reference to the properties shared by all living things? Describe each of those properties.

Which of the following represents the correct sequence of levels in life's hierarchy, proceeding downward from an individual animal? Obrain, spinal cord, organ system, nerve cell, nervous tissue; O organ system, population of cells, nervous tissue; Oorganism, cardiovascular system, heart, cardiac tissue, myocardial cell; O organism, intestinal cells, digestive system, pancreas;

Explain how novel properties of life emerge from complex organization.

identify and explain the four physical and biological principles to which all life is constrained.