Get nonperishable foods, water bottles, flash lights, blankets, things like that.
Sweating is the body's way of cooling itself. If you did not sweat, you could overheat the body and collapse from heat exhaustion.
If you don't use them they get stored as glycogen, for later use. buy if you're not active, it can lead to obesity.
The finches adapted over time to better suit their environment that they were in -- the size and shape of their beaks changed as a result of natural selection.
