4 ms·

It does mention adaptation, traits, and survival. He doesn't really need to put too fine a point on it. What do you mean by "more highly"?

• gort 17y ago
  It was in scare quotes to indicate that it doesn't really have a clear scientific meaning.
  • camccann 17y ago
    In practice, the meaning of "more highly evolved" is generally something like "more similar to the person using the phrase".