Thinking about how traits are inherited, how would you explain the close similarities between the make-up of the oxygen-carrying molecule hemoglobin in organisms as diverse as birds, horses, gorillas, and humans

List two limitations of natural selection

Using the periodic table, determine which material is most likely a good conductor

Which of the following can be reduced by the use of renewable energy sources? a. social costs b. economic costs c. environmental costs d. all of the above select the best answer from the choices provided a b c d