Ahiker has become overwhelmed with heat while walking in the grand canyon. the hiker's body goes into overdrive to keep cool in the heat. the hiker needs to hydrate his or her cells. what process is used to regulate homeostasis? a. balanced equilibrium b. cellular transport c. hydration d. passive transport

Analyze the central conflict and its in a story to discover the theme. o resolution o protagonist antagonist character

Which is an advantage of having memory cells when a pathogen is encountered for a second time. a) the memory cells are what proliferate into clones of cells in response to the binding of an antigen. b) memory cells are vital to the primary immune response in that they immediately recognize pathogens even at the first encounter. c) memory cells are essentially effector cells that are short lived and attack antigens even without having a receptor specific to that antigen. d) it ensures that more lymphocytes with a receptor specific to a particular antigen will be present than in a host that had never encountered that pathogen.

How are gross production and net production different? a. net production is always greater than gross production. b. net production is always less than gross production. only animals have net production. d. only plants have net production. select the best answer from the choices provided