Do cockroaches camouflage?​

For many species, even some humans, cockroaches are also a sought-after snack. ... The banana cockroaches (Panchlora) have opted for a simple camouflage approach: they are green and this helps them to blend in. Cockroaches of the Perisphaerus genus can roll up into an armadillo-like defensive ball

Explanation:

The exoskeleton will start to harden and regain normal coloration over the next few minutes, and life will soon return to normal for the temporarily white cockroach. Some species of roaches may take several hours to fully transform

so maybe im not sure but i think hey do

significant amounts of nitrogen oxides, carbon monoxide, and other pollution

explanation:

passenger vehicles are a major pollution contributor, producing significant amounts of nitrogen oxides, carbon monoxide, and other pollution. in 2013, transportation contributed more than half of the carbon monoxide and nitrogen oxides, and almost a quarter of the hydrocarbons emitted into our air.

i believe it's c. the trait for large beaks will be passed on to future generations through natural selection.

since eventually smaller beaks would have to find another source of food or even eventually just die out from the lack of food.