4. Due to their small size and limited resources, island ecosystems are very sensitive to the introduction of nonnative species. Locally, Santa Catalina Island has seen the introduction of nonnative organisms, ranging from bison, to pigs, to geraniums. In the space below, explain the population growth curve exhibited by pigs released on Catalina, where they have abundant resources and no predators. Include an explanation of what will occur to the pig population over several generations.