Actually, some plant undersea can. and who needs the sun when you have magical unicorns to make food appear out of nowhere? XD
Yes, undersea, where ponies can't reach. Ponies can't survive without sunlight. And I don't think it is possible to create food with magic.
True. 
And anything is possible when your in a world full of magical flying ponies. XD
And anything is possible when your in a world full of magical flying ponies. XD