Originally shared by Mike StayAll three creatures in that picture are the same scale. From right to left, an amoeba, a paramecium, and a wasp. It has only a hundredth the number of neurons as a typical housefly---only around 7400---but still manages to feed, mate, and parasitize millimeter-long thrips. And to save space in its head, 95% of the neurons have no nucleus!
How tiny wasps cope with being smaller than amoebas | Not Exactly Rocket Science | Discover Magazine
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