this is why you should be following @bug_gwen
Posted on by Michael Bishop
Look at the "line" on the back of this beetle larva. See it moving? That's the tubular heart! ❤️It runs all along an insect's back (dorsal) pic.twitter.com/VQ0ryxCrFY
— Gwen Pearson🐜🐛 (@bug_gwen) July 12, 2017
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