How do you know that finches' beak depth is heritable? You can see from Figure 2 that there is a correlation between the parents' and offsprings' beak size. How did the finch population change ...

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The queen wears a gold crown, white Greek dress, and had long light blonde hair and wore green earrings, a white toga and a gold headband.

A blackbird comes full pelt across Flinders to perch on the laneside hedge, grub in beak for its chicks. Into this admirable scene comes a white cloudburst, smelling of puke and toffee.