1. Because they have unusually small brains 2. They are worried on the climate effects because they do not want it to get too hot or to cold. 3.The koalas manage to keep cool during the summers because of their warm and fuzzy coat/fur. Their favorite trees are Eucalyptus trees because they can feed on the leaves and it nourishes them.

1. Because they have unusually small brains, and limited nutritinal content of eucalyptus. 2. They are worried about if the koalas can survive the hot summers or cold winters. 3 Koalas manage to keep cool during the summer by going on lower branches. their favorite tree is acacia because it keeps them cool in the summer and they like to find solace.

1.Because they need rely on water from leaves. 2. Because the heat is sweltering and more then they can sustain. 3. They hang on to trees and keep the shade. Acacia is their favorite tree because it provides them the coolest temperature at 9F