NEET BIOLOGY

Detailed explanation-1: -The period from birth of an individual to its natural death is called life span. Different organisms have different life span starting from one day to hundreds of years.

Detailed explanation-2: -The period from birth to the natural death of an organism represents its life span.

Detailed explanation-3: -Life Cycles: A life cycle is the sequence of biological changes that occurs as an organism develops from an egg into an adult until its death. The life cycles of many species are synchronized with the life cycles of other species and the seasons.

Detailed explanation-4: -Life span – Definition. Life span is the period from birth to the natural death of an entity. The life span of an organism is the theoretical figure indicating the number of years it lives. It can be estimated by the average life span of the entity.

Detailed explanation-5: -All the individuals of a species have exactly the same life span. Smaller organisms always have shorter life span and vice versa. Life span of an organism is the time period from its birth to its natural death.No organism may have a life span of several hundred years.