Answer:
Well for any animal thriving and overpopulating it can cause lack of food, damaged ecosystems, and disease.
Specifically the cane toad thriving and overpopulating can cause death from their toxins and sense they are one of the biggest toads, they can effect bigger animals and even humans, lowering the population of another species and damaging an ecosystem.
Explanation:
Hope this helped
Due to extreme (too much) cell division, a mutation of cells will occur and that is the cancer within humans.
