During the winter months, many animals exhibit behaviors that help them conserve energy in the face of scarce food resources. For instance, some animals will enter a state of hibernation, thereby allowing their metabolic rate to decrease significantly. In contrast, others may choose to migrate to warmer climates where food is more abundant. Ultimately, these adaptations are essential for survival, as they allow animals to cope with seasonal changes in their environment.
As a result, these behaviors can be described as both ______ and ______, highlighting the various strategies employed by different species to endure harsh winter conditions.