A shoe, or some other blunt object.
These are factors, human or otherwise, which affect survival of a species.
getting eaten
Shoes and professional exterminators. They wil be with us always, I'm afraid.
Global Warming.
no water noy enough food
Cockroaches have a natural instinct that allows them to sense oncoming storms or impending natural disasters, thus aiding their survival.
The answer is poaching
Global warming.
Economic problem and financial forecasts
Foster Farms Bacon dont be silly stupid
humans poluting water sources, shooting them and pesticides
habitat destruction due to humans. deforestation. hunting for their meat and skin.