Which of the following adaptions is working against the survival of koalas as global climate change causes Earths temperature to increase?
1. Large noses to smell when predators approach.
2. Thick fur that keeps koalas warm.
3.Gray fur that allows koalas to camouflage or blend I their surroundings to hide from predators.
4. Ears located on the tops of their heads for more sensitive hearing.
(hurry please i'm in a test with 30 mins left!!)