Based on the discussion (needs to be further verified) with Ishant
that species evolved in two ways:
Species evolved randomly and those who adapted the environment
survived
Species adapted to evolve, instead of random evolution, and
therefore survived
Additionally a few words are proposed/discussed.
Sensory Adaptation: It is proposed in Theory-2 from the examples
of discovery of blind salamanders in caves and disappearance of
human tail or pinky finger. It relates to the adaptation to
environment based on sensory feedback (neural current)