Scientists used to think that animal lifespan was primarily related to animal size. Large animals usually live longer than small animals. small animals usually have a high metabolic rate and a short lifespan, like a car that runs out of gasoline quickly. The 8th. 2018 г.
What makes animals live longer?
One of the important factors is the size of the body of a large animal, which, on average, lives longer than a small animal. In some species, environmental factors such as body temperature also affect the lifespan of animals, with lower body temperatures increasing lifespan. 2017
Why do some species live longer than others?
Compared to large animals, cells in small animals burn energy at a much higher rate. This high metabolic rate can cause biological wear and lacerations, resulting in shorter lifespan. 2020
Why do big animals live longer?
Scientists believed that slow metabolism was the main reason large animals lived much longer than smaller animals. .. Large animals such as elephants need to burn relatively little energy to keep them warm. This means that long-lived animals also tend to have a lower metabolic rate.
What determines the lifespan?
Longer lifespans tend to be carried out by the family. This suggests that shared genetics, lifestyle, or both play an important role in determining longevity. .. Scientists speculate that during the first 70-80 years, lifestyle is a stronger determinant of health and longevity than genetics.
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