Life span or longevity is the length of time a species can exist in the most optimal conditions. For example, the gray wolf can live for 20 years in captivity, the Galapagos tortoise for over 150 years.
What do you mean by life span?
Lifespan is defined as the maximum number of years that a human can live, while life expectancy is the average total number of years that a human achieves [5].
What is life span class 11?
A. Period between birth and sexual maturity.
What is life span class 12 biology?
Life span is defined as the period between life and death of an individual. Some organisms live for several thousand years like bristlecone pines whereas for some the life span is a day as in case of mayfly. The lifespan is mainly determined by the hereditary.