Sciencespeaking topic
You share a notable portion of your DNA even with a banana you eat; you're distant relatives even with a banana. Because all living things descend from the same basic building blocks, the same ancient ancestor. So despite so much shared code, what makes a banana and a human so different?
— common ancestry / genetic similarity
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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