Sciencespeaking topic
How did the differences in beak shape among the Galapagos finches, seen on Darwin's voyage aboard the Beagle, spark the idea of natural selection?
— Charles Darwin, the voyage of the Beagle and the Galapagos finches
practice with this topic
Set the timer (5-30 min), take 20 seconds of prep if you like, start talking. Jot your thoughts onto the sticky-note board.
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