Which statement describes how a machine can help work easier ?

identify the dna change shown in the diagram and explain how that change can result in the increased genetic diversity often seen among siblings.

i think its y= -4x-14

in 1859, charles darwin set out his theory of evolution by natural selection as an explanation for adaptation and speciation. he defined natural selection as the "principle by which each slight variation [of a trait], if useful, is preserved".