Looking for fun and engaging resources to support 6th grade students' learning about biological evolution and diversity? This unique alphabetical order puzzle helps consolidate students' familiarity with the vocabulary, because they need only to identify the beginning letter for each word; while at the same time being exposed to a unique collection of words. Record the words, alphabetically, by recording the numbers 1,2,3,4 beside each word. Puzzle is available as both downloadable printables and as Google Apps™.