No ... cows can't survive underwater, and the octopus can't graze on land ...
No.
No, not usually.
Yes.
it is called serving
Yes they do because all cows are girls and all bulls are boys
Cows can breed for as long as they are productive, which can range from one to 15 years or more.
if they didnt they would be extinct by now
It could be octopuses or octopi
It could be for defense, mating. or camouflage
Not quite; they have to give birth to a calf in order to lactate.
other octopuses kill octopuses!!!! :-D
They can, however, this is an example of insest and the offspring will be at a higher risk for abnormalities.