You visit a region with two-way currents to see where many marine organisms inhabit shallow, nutrient rich waters. you are visiting an estuary. the open ocean. an inland wetland. a region where a stream flows into a lake.

For this question look at the hydropic diagram water that is heated by the sun evaporates. select the number that represents it.

What will happen if two of the base pairs of the stand of the dna are switched

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