Take on the extra challenge of a round puzzle! As you puzzle, learn the building blocks of biodiversity—the wide variety of organisms that make up all the life on our planet. Like a jigsaw puzzle, every organism is an integral part of a larger, vital whole. Try this puzzle and get the big picture! Illustrations by Kelsey Oseid. Puzzle features this quote: “This is the assembly of life that took a billion years to evolve. It has eaten the storms—folded them into its genes—and created the world that created us. It holds the world steady” from Edward O. Wilson.