Over time, the climate of an island became drier, which resulted in changes to the populations of various island finch species. Finch populations with a certain beak
shape were able to forage for food. The population of those not having that beak
shape decreased. Which of the following describes a necessary condition for these
changes in the finch populations to occur?
O fewer mutations
O limited resources
limited beak variations
underproduction of offspring
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Neyt