Which molluscs have the most developed nervous system?

These are octopuses, they even have intelligence. They are considered the smartest of all invertebrates. It is worth knowing that these creatures are even trainable. They are also able to get used to the people who feed them. It is also worth knowing that these animals never live in groups, they are loners. Octopuses even have nests – these are relatively small holes that they dig in the ground.

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.