elinjaksojen
Elinjaksojen is the Finnish term referring to the life stages of an organism—the distinct phases in its development from birth or origin through growth, reproduction, and senescence. The concept encompasses the characteristic traits, behaviors, and ecological roles that define each phase and distinguish it from others.
Across biology, elinjaksojen are used to describe developmental sequences in a wide range of organisms. In
Transitions between elinjaksojen are governed by genetics and regulatory networks, but are frequently modulated by external
In human contexts, elinjaksojen concepts appear in demography, education, and medicine, where planning for different life
See also: life cycle, ontogeny, metamorphosis, life-history theory.