It’s one thing when we imagine our ancestors to be Australopithecus or a small possum-like mammal nosing round between the legs of some enormous dinosaur. But what about when our ancestor is a weird little worm?
This extinct creature is the oldest known “bilaterian,” meaning its body exhibited bilateral symmetry on its left and right sides, in addition to front and rear openings (a mouth and an anus) connected by a through-gut. These features distinguish Ikaria wariootia as the first clear common ancestor of most animals alive today.
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Stop breadboarding and soldering – start making immediately! Adafruit’s Circuit Playground is jam-packed with LEDs, sensors, buttons, alligator clip pads and more. Build projects with Circuit Playground in a few minutes with the drag-and-drop MakeCode programming site, learn computer science using the CS Discoveries class on code.org, jump into CircuitPython to learn Python and hardware together, TinyGO, or even use the Arduino IDE. Circuit Playground Express is the newest and best Circuit Playground board, with support for CircuitPython, MakeCode, and Arduino. It has a powerful processor, 10 NeoPixels, mini speaker, InfraRed receive and transmit, two buttons, a switch, 14 alligator clip pads, and lots of sensors: capacitive touch, IR proximity, temperature, light, motion and sound. A whole wide world of electronics and coding is waiting for you, and it fits in the palm of your hand.