Differentiate between density-dependent and density-independent limiting factors and give at least two examples from the lesson of each.

Ais a group of individuals of the same that exist together in the same place at the same time

Jason adds the antibiotic penicillin to a bacterial culture. the bacteria develop genetic modifications in their genome, which gives them resistance to the antibiotic penicillin. what caused this genetic modification?

Up to what percentage of the world's flora consisted of cycads during the triassic period? 100% 75% 50% 20%