:-) :-) :-) :-) :-) :-) :-) :-) :-) The question is in the picture, down below.

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organ system-an organ system is a group of organs that work together to perform one or more functions. each does a particular job in the body, and is made up of certain tissues.

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".

c.           is the correct answer

answer; incomplete dominance;