Lev Aleksandrovich Orbeli (1882-1958) was an outstanding Soviet physiologist and biologist who made significant contributions to the understanding of the mechanisms of adaptation of organisms to various environmental conditions. One of the main theories developed by Orbeli is the Adaptation-Trophic Theory.
Adaptation-Trophic Theory is a comprehensive model that explains how organisms adapt to changing environmental conditions. According to this theory, adaptation occurs due to changes in the trophic system of the body, that is, in the system of its nutrition and metabolism.
Orbeli identified three main types of adaptation: plastic, regulatory and evolutionary. Plastic adaptation occurs at the level of the individual and consists of a change in the trophic system of the organism, which allows it to adapt to new environmental conditions. Regulatory adaptation occurs at the level of the body and consists of changing the functions of its organs and systems, which allow it to more effectively regulate its internal state in new conditions. Evolutionary adaptation occurs at the species level and involves changes in genetic material that allow a species to adapt to a changing environment over a longer time period.
Orbeli also noted that adaptation of an organism to changes in environmental conditions cannot occur without corresponding changes in its trophic system. According to Orbeli, the trophic system of the body is the main mechanism of adaptation, since it provides the body with the necessary resources for survival and development.
The Adaptation-Trophic Theory of Lev Orbeli had a significant impact on the development of biological science and still remains relevant. This theory helps to understand the mechanisms of adaptation of organisms to changing environmental conditions and is an important tool for studying biological evolution in general.
Orbeli is a Soviet physiologist, professor, known for his research in the fields of neurophysiology, biophysics and biochemistry. Its adaptation - the trophic theory - has become one of the most important scientific discoveries in Russian biology and medicine. The article was published in 1936, and it has not yet lost its relevance and relevance.
The adaptation-trophic theory was