Show students why feathers are so important to birds. As they perfrom dissections, students will discover the intricate series of barbs and barbuales that give feathers their shape and function, learn how birds adapted, and discover the benefits of hollow feathers. Enough materials for 30 students, plus a teachers guide and student worksheets are included.
How is savings calculated? We
multiply the savings per unit (in parenthesis) times the
total units of the original product.