Description There are millions of animals on this planet. Some fly with feathers, others swim under the sea. We use classification to keep them all straight. Follow along with easy-to-understand content tied to the curriculum of upper-elementary and middle school students written at a 2nd to 3rd grade reading level. Dyslexia-friendly font and design make learning accessible and a recap at the end promotes checking for understanding to aid with comprehension. It's key biology curriculum made approachable for all.