Help!!!!!

I am growing some seedlings in pellets in one of those jumpstart dome things and today got home and are falling over what could be the cause for this please help thank you!!

pictures? can we get a detailed description?

Take them out of the mini grenhouse. The reason they look like they are wilting is because they are gasping for air. I have used one of those before but only to start my seeds to grow and after they sprout i get rid of the dome.I really don't recommend those unless its too cold where you live.