Variations on a species are preserved if

Variations in a species are preserved if at least two individuals in the species share the variation. If species are conserved and allowed to reproduce by mathematically calculating its impact in the environment, variation of species would be very achievable.

Explanation:

autobiography of an ex-colored man is told from the first-person point of view of an unnamed male narrator. he starts his tale by stating that he is going to reveal the great secret of his life. he first takes the reader to his childhood in georgia where he was raised by a single mother. he was dissapointed in his own color.

i suggest it is anadiplosis