The Answer is All of the above
Substainable practice science is agency researchers and their partners from across a wide spectrum of investigative field are working together to form a deeper understanding a balance between the three pillars of sustainability environment Society and economy
They died, because the divo's only food died and because of the cold. they cannot grow thicker fur in a year, they cannot change their diet drastically, they cannot just learn to hibernate and they are not used to digging.