If erosion stripped off the top of a dome, what would be found? 1. the oldest rocks are exposed in the center. 2. the youngest rocks are exposed in the center. 3. the oldest rocks are exposed along the edges of the dome. 4. the rocks in the center are the same age as those along the edges.

oldest rocks are exposed in thy center

•there must be variation for the particular trait within a population.

•the variation must be inheritable (that is, it must be capable of being passed on from the parents to their offspring).

•individuals with one version of the trait must produce more offspring than those with a different version of the trait.good

explanation:

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