The Argyle Sweater by Scott Hilburn for April 27, 2016
April 26, 2016
April 28, 2016
Transcript:
Big worm: Okay, class, for this project you'll need a partner. Has everyone split up into groups of two? far right worm: Not me, Mrs. Jacobs. Big worm: Okay, let me get the knife.
While many animals can regenerate both halves of such a cut, earthworms will only regenerate the part with the girdle (the unsegmented part containing the hearts and reproductive organs).