Turtles are reptiles. Reptiles need to breathe air. So yes, turtles can drown, even though the circumstances of that happening are highly unlikely.

can bears **** in the woods?

If they have no place to climb onto so they can rest, yes they can drown. In your terrarium, make sure they have water on the bottom ( enough to swim in because they love to swim) but also put a large rock or something they can climb up on and rest. And from now on, choose the right category..this is marriage and divorce.

No