This will never be answered until we can create one in a lab and test it.
A planarian can live without food for about a week.
a week
a few days
About a week.
30 minutes
As long as it has food and water available. Without it, it depends on when it last had food.
the longest is 2hours
not very long, allthough i'm not 100% sure.
Lol give it to social services
A human can only survive 1 week without water, and 2 weeks without food
A caterpillar can survive about a week without food. Even though it can survive this long, the caterpillar should get fresh food everyday in order for metamorphosis to occur successfully.
If properly hydrated, a healthy male can survive for about 3 weeks without any food.