Probably not many of your would know this anime..
But, i think its an old anime but that what some people say.. IT's called Mujin Wakusei survive
Its about people in the 22nd century and a group of stundents on a field trip got lost and so they found an uninhabited planet..
well thats kinda like the title - Mujin Wakusei Survive = Uninhabited Planet survival.
Well this is an anime i found and its pretty good.. =D here... try watching the first episode