What is the biological meaning of internal fertilization?

Sex cells are protected from external influences, and accordingly the chance of successful fertilization is increased. If development also takes place inside the mother’s organism, then the developing organism is protected from external influences, and it is also constantly supplied with all the necessary substances.



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.