Biology :
What does the phrase, "survival of the fittest," mean to you? Be specific

Well to me it means a challenge that only those that are physically , mentally and emotionally (even spiritually ready ) ready can overcome.

But the real meaning originated from Darwinian evolutionary theory as a way of describing the mechanism of natural selection.

In his ( Darwinian ) terms the phrase is best understood as "Survival of the form that will leave the most copies of itself in successive generations."

Explanation: to be honest i dont really understand the last sentenceof my answer

Hope it helps :)

true is the

the answer is sex-linked recessive.