An example of what kind of variability is the stretching of the stems of plants that lack light?

An example of idioadaptation.
Idioadaptation is the process of adaptation of an organism to the environment, which gives organisms the possibility of progressive development without a fundamental restructuring of their biological organization.
Idioadaptation, moreover, is one of the ways to achieve biological progress.



One of the components of a person's success in our time is receiving modern high-quality education, mastering the knowledge, skills and abilities necessary for life in society. A person today needs to study almost all his life, mastering everything new and new, acquiring the necessary professional qualities.