Answer:
White fur is only an evolutionary advantage if the creature can hide in snow.
If you live in a temperate forest biome and want to hide from enemies, you wouldn't want fur that sticks out brightly against the dark forest.
Just like, if you lived in a snowy biome, you wouldn't want black fur that would stick out against all the snow.
So no, white fur is not an evolutionary advantage in a temperate forest biome
Hope this helps!
Step-by-step explanation: