What are the signs of adaptation to a terrestrial aquatic lifestyle in amphibians?

Their bare skin contributes to the provision of cutaneous respiration. Reproduction occurs only in water if there are swimming membranes.

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.