PBS
Pbs the Life of Birds: Evolution and Anatomy of Flight
This lesson plan, designed to accompany the PBS series "Life of Birds," explores how environmental pressures influenced the evolution of wings, how natural selection resulted in the diversity of bird species, and the mechanics of bird...
PBS
Pbs the Life of Birds: Bills, Beaks and Food
This lesson plan explores how natural selection has influenced the development of features that contribute to successful feeding (bills, wings, talons, etc.), as well as identifying those characteristics that enable birds to obtain the...