Nibernation and Estivation Certain species of animals hibernate during cold weather in the winter. Some animals estivate during hot weather in the summer. Both
hibernation and estation are types of dormaney: An animal that is hibernating or estivating may appear to be asleep. However, dormancy is
different hom sleep. During a time of dormany, an animals body processes usually slow down. Its heart rate decreases: it does not need to
eat or drink and it uses less oxygen than it does when it is not dormant,
some animals estivate during long periods of heat and drought when little water is available. Before going into estivation, an animal
will often find a safe shelter in which to estivate North American desert tortoises, for example, burrow below the soil before going into
estivation. They remain underground until the period or heat and drought is over
other animal species hibernate during long periods of cold, American teads, for example dig burrows during winter when
temperatures are low and food is hard to find. However, not all frogs are capable of digging. The spring peeper frog and the wood frog take
shelter in logs or under rocks and spend the winter there. Animals emerge from hibernation when the weather warms up.
Which conclusion can be drawn from this passage?