Balancing the advantages and disadvantages of molecular advances. Chapter 16 - Evolution. Darwin's observations and an idea that revolutionized scientific thought. Darwin's Revolutionary Idea 20. Chapter 17 - Populations, not individuals, evolve.
Natural selection is a driving force for evolution and genetic variation provides the raw material.
The evolution of behavior. Energy flow through the environment. Chapter 28 - We are rapidly approaching the ability of the Earth to support the human population. Physiological systems maintain a dynamic equilibrium. Anatomy and function of neurons and the effect of drugs on nerve function 31.