Mimicry refers to the adaptation phenomenon that some animals imitate other biological or abiotic environments in terms of appearance, shape, color, markings or behavior, so as to confuse the enemy's vision and avoid enemy predation.
According to the above definition, which of the following phenomenas belongs to mimicry:
When the heat comes, the squirrel will curl up and sleep soundly in the nest. Its body temperature will become cold with the decrease of metabolism. It will not wake up until the heat subsides