The graph demonstrates the quantitative variation for skin pigmentation. which conclusion is supported by the graph? a)more than half of the population has the central skin pigmentation. b)the lightest and the darkest skin pigmentations are equally possible. c)the central skin pigmentation makes up more of the population than the rest of the skin pigmentation groups combined. d)fewer people have skin pigmentation lighter than the central peak than people who have pigmentation darker than the central peak.

Which of the following statements is correct in hour our immune system responds to a potential pathogen? a. the adapted immune system will call on the innate immune system to destroy the pathogen. b. b cells will start reading the antigen code immediately and call t cells to assist in destroying the pathogen. c. the skin will be the first line of defense, and then the many phagocytes in the bloodstream will attempt to consume the possible pathogen. d. the t-cells in the adapted immune systems are the first to recognize the pathogen vaccines are weakened forms of disease causing microorganisms, which are given to patients to prevent disease. after the vaccine is administered, the immune system responds by creating a(n) to recognize the a. antigen, antibody b. antibody, antigen c. antibody, antibiotic d. antibiotic, antibody