The kidneys remove any waste that is not needed in ur body then ur bladder lets all the waste out
The answer would be brown because all the other beetles have some sort of camouflage while the brown beetle sticks out in all of that green. Hope this helps. :)
I believe it is D, the reason being is because they form on their own, not from a living or dead organism. It can't be B because that is true, and the same for C. hope this helps, have an amazing day :)