Learn what helps a mammal survive the depths of the cold, populous oceans. Examine the adaptive features and diets of marine mammals, and explore their distinct methods of reproduction and nurturing.
Epic reaches 75 million kids in class and after school.
Built on a collection of 40,000+ popular, high-quality books from 250+ of the world’s best publishers, Epic safely fuels curiosity and reading confidence for kids 12 and under.