In the food chain described above, what are the producers? A
the antelope that eat the grass
B
the scavengers that eat the dead lion
С
the grasses the antelope eat
D
the lions that eat the antelope

Please help

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.