Of the following which is most likely to result after a farmer sprays his crops with pesticides? a. the flowering plants will grow uncontrolled b. only the top level consumer, the owl, will experience a decrease in populations c. the plants will increase but the bird and rodent populations will get smaller without the insects as food d. the owl population will grow very large but the other animal populations will decrease due to lack of food.

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