Apopulation of fruit flies on an island lay their eggs in some rotting fruit. some of the fruit is blown into the ocean by a storm and washes up on another island that is too far apart for the flies to fly back to their original island. over time the two populations change so much that they are different species. what must be true of the two populations of flies at this point?

During an experiment, readings for blood pressure in a persons body were found to be constant . however , when he measured by a different blood pressure cuff , the readings differed by 15 points for each reading. this difference indicates that the results are

Imagine a self-reactive t cell that has not undergone clonal deletion in the thymus (that is to say, it has escaped central tolerance). if it encounters self antigen in the absence of an infection or inflammation, what will happen to this self-reactive t cell? (select two answers) (a) the t cell undergoes clonal expansion. (b) the t cell gains effector functions. (c) the t cell undergoes apoptosis. (d) the t cell becomes activated. (e) the t cell becomes anergic.

What does the number 18.9984 represent in the image?