En qu? se diferencian los animales (Why Animals Look Different)

Why does a duck have webbed feet? Why does a polar bear have thick fur? This series examines the distinctive features of a variety of animals and explains how those features enable animals to adapt to their unique environments. Perfect for the early science curriculum, this Spanish-language series features full-color photographs, many with helpful labels, and simple, authentic text to build English Language Learners' vocabulary and reading skills.