If you mean real penguins, they become extinct. If you mean Club Penguin, the game would be really empty.
So far, nothing. But you could always try!
Same thing that happens to you. Not much.
In real life mother penguins have eggs and in club penguin just more people join
The only way to define a group of Penguins is more than a pair, a Nursery of penguins (The offspring) is known as a "Creche". A group of penguins (more than a pair) is known as a Colony, Rookery or even a Huddle. All are groups of more than two.
Unfortunately, they may starve to death.
Penguins are birds, and do not mate with seals, which are mammals.
Penguins do not live in the Sahara Desert.
If you know,PENGUINS DO NOT FLY
Because there is lots more types(species)of fish than penguins and fish mate any time and penguins mate only in summer or spring
This depends on the penguin species - for instance: Gentoo Penguins, Adelie Penguins and Rockhopper Penguins lay two eggs while King Penguins and Emperor Penguins lay just one egg.
They have more control over all of the Penguins, due to their size, and have more eggs with other girlpenguins
penguins might become more endangered if there is too much heat at the place they live.