What are the similarities and differences between aromorphosis and degeneration?

Aromorphoses are major evolutionary transformations in the structure and functions of organisms. Aromorphosis or morphophysiological progress is of great importance to the body as a whole and always leads to biological progress. In other words, aromorphoses are adaptations useful to organisms in a wide variety of environmental conditions.
General degeneration is a direction of evolution associated with the simplification of the structure and lifestyle of organisms as a result of adaptation to simpler conditions of existence. An example is the change in the structure of animals that occurred during the transition to a fixed, sedentary lifestyle and with parasitism.

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