What features were characteristic of the first land dwellers?

The first land dwellers have changed significantly. They began to develop respiratory organs, which are characteristic of terrestrial creatures (lungs), the fins changed into more comfortable limbs for movement on land. Muscle tissue has become more developed for comfortable and fast movement. The organs of sight, smell and hearing have become more developed. Other taste preferences and instincts for survival in terrestrial conditions appeared. The first inhabitants fully adapted to life outside the aquatic environment.