X is for the Xerces Society.   "The Xerces Society is a nonprofit organization that protects wildlife through the conservation of invertebrates and their habitat. Established in 1971, the Society is at the forefront of invertebrate protection worldwide, harnessing the knowledge of scientists and the enthusiasm of citizens to implement conservation programs." What are invertebrates? All creatures without a backbone which includes, bees, butterflies and other creatures you might find in the garden like worms. It is the…