It lives!!!!!!!

[Ifurita]

Cute! It looks quite like a Drosophyllum seedling at that stage...

As for heat, its hard for me to say, mine only just popped up...although I hope that it coming back instead of just staying dead is a good sign. It takes normal day temps in bright shade at most for me. Your's may be more heat tolerant, being a seedling. Also, if you weren't using chemical treatments to get germination, then the seeds which germinated would probably be those which are more okay with our warm weather...