Marine Biology by Ellen Doris. Part of the Children's School of Science series. Almost 200 color photos. Invertebrate Zoology by Ellen Doris. An introduction to a vast and diverse group of animals, this book focuses on seven families of organisms, all of which can be easily collected or ordered by mail.
Children rear crayfish and spiders, watch flatworms distinguish between light and dark, and more.
Part of the Children's School of Science series. Almost 200 color photos. The author leads readers on a captivating imaginary voyage through a world about which, until recently, human beings could only dream. Beginning with a snorkeling exploration of a coral reef, about 15 feet beneath the surface, readers travel farther down into the ocean's depths as they turn the pages.