The Earth has spheres that are constantly interacting. Which of the following is the best example of the geosphere interacting with the biosphere?
OA
Some land mammals are dependent on ice formations
OB. Strong winds carry pollen across large fields to flowers
OC
A strain of bacteria is able to live deep in an ocean
D
Volcanic ash provides nutrients in the soil for plants.
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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