What are the structural features of the frog eggs, the location of reservoirs that contribute to the preservation of heat necessary for the development of the embryo.
In caviar, the shell is rather transparent, which is why the sun’s rays can penetrate to the embryo. Due to the fact that the shell is thick and watery, it does not allow heat to quickly leave it.
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.