Asked by nk
How did Drs. Peter and Mary Grant verify Darwin's theory of natural selection? (1 point)
O by studying a different group of organisms
• by finding new species that adapted to a different environment
• by assessing changes in another animal trait
O by making observations over a long period of time
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by making observations over a long period of time
The Grants tracked finch populations and measured traits (especially beak size/shape) across many years and generations, documenting changes driven by environmental pressures (e.g., droughts) consistent with natural selection.
The Grants tracked finch populations and measured traits (especially beak size/shape) across many years and generations, documenting changes driven by environmental pressures (e.g., droughts) consistent with natural selection.
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