The biological outcomes of immune system recognition can include Question 3 options: migration of leukocytes into infected tissues. clearance of a pathogen by an activated macrophage. promotion of optimal antigen presentation. induction of long-lived B and T cells. All of the answers are correct.

Select all the correct answers. for a claim about the natural world to be considered scientific, what attributes must it have? a). it must be open to modification if new evidence doesn't completely support it. b). it must be based on scientific observations that can be repeated in a controlled setting. c). it must be applicable to future events and occurrences. d). it must be consistent with only a small portion of relevant observations or data.