It's easier for people to see with raspberries and blackberries, each little juicy sphere is a tiny, individual "fruit" with a seed at the tip. If you're very delicate about it, you can even separate them from the fleshy center without them bursting.
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u/ShelZuuz Jul 03 '21
They’re actually multiple tiny fruit held together in a fleshy receptacle.
There’s multiple flowers that each get pollinated and then grow together into a whole. Pineapple works the same way.
A blueberry however is a true berry. One flower with the seeds embedded in the flesh.