Question

The period over which an organism lives, from birth to death.

Answer 1

ANSWER⤵️

Life history theory is an analytical framework designed to study the diversity of life history strategies used by different organisms throughout the world as well as the causes and results of the variation in their life cycles.It is a theory of biological evolution that seeks to explain aspects of organisms' anatomy and behavior by reference to the way that their life histories—including their reproductive development and behaviors, life span and post-reproductive behavior—have been shaped by natural selection.

Answer 2

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$\Large\bold\color{aqua}Life\:Span$ is your answer

Each and every organism can live only for a certain period of time. The period from birth to natural death of an organism represent its $\Large{\underline{\underline {\mathtt{\purple{Life}\purple{span}\green}}}}$

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