An organism that feeds on plants and animals
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Based on the evidence in the excerpt above, describe in your own words what it would have been like for a person to enter a meat processing plant in the united states

Which of the following occurs after a natural or unnatural disturbance in an ecosystem

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.