<span>The Stanford prison experiment </span>might have shown in group bias because the cellmates were working together against the guards, It might have shown in out group homogeneity because prison can turn you inside out faster than a cheetah chasing a lion, and it might have shown in out-group derogation because the guards treated the cellmates badly even though it was an experiment.
Fungi is an example of plant like organisms that live off of dead organic matter. Fungi can basically turn up anywhere with its environment within itself.