Biology, 22.07.2019 10:20 jonathan3191

Suppose individual robins that have longer beaks have somewhat more offspring than those with shorter beaks, and that this has led to increases in beak length over time. we can say that beak size is associated with the of the robin, and that there is selection operating on beak size. fitness; stabilizing fitness; directional genetic structure; stabilizing genetic structure; directional genetic structure; disruptiv

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Suppose individual robins that have longer beaks have somewhat more offspring than those with shorte...