The correct answer is option C, that is, the insects could grow resistant to the pesticide in the genetically-modified corn and become immune to regular pesticides.
The genetically modified organisms are usually developed to be more resistant to pesticides or produce pesticides themselves. The GM crops do not have monarch butterflies or honeybees. However, the insects that consume genetically modified crops can, in some of the circumstances, begins to establish a resistance to the protein that usually kills them.
Arachnids, spider species, most have venom to subdue prey, which run through preys, circulatory system, the venom partially digest the prey to make it digestible for the spider, so they drink the partially digested blood to gain nutrients..
Lichens are the photosynthetic organisms.