The crustacean subphylum can be broken down into decapods, amphipods, copepods, and other types. This title offers readers from grades one through four comparisons between the needs and roles of different crustaceans, which will allow readers to understand the subphylum’s importance. Readers will recognize and expand their knowledge about familiar species like the lobster and the shrimp, while being introduced to the likes of the wood louse and zooplankton. Dynamic photography and methodic...

The modern period of history is often considered to have begun with the Renaissance, one of the rare periods of genius in the world’s history. This volume traces the Renaissance from its beginnings in Italy in the fourteenth century to its spread across the rest of Europe in the sixteenth and seventeenth centuries. Along with the rediscovery of ancient Greek and Roman writing, the Renaissance represented a new age in the fields of science, literature, religion, politics, and many others. R...

Plants and algae form an important basis of all marine ecosystems. They provide nutrients to animals that eat them and also create oxygen for humans and animals to breathe. This academic lower elementary title covers the diversity of marine plants and algae that exist as well as the processes they undergo to grow and thrive. Photosynthesis is explained in easy-to-understand language, as is the role of plants and algae in food chains and food webs. Finally, the importance of sea plants and ...

Invertebrates make up more than 90 percent of all living beings on Earth, and underwater, their diversity is apparent. Sea invertebrates include crustaceans, mollusks, jellyfish, and a host of other sea creatures that are integral to marine ecosystems and have important uses for humans, too. This colorful, photo-packed lower elementary title introduces readers to the most common sea invertebrates. Compare and Contrast boxes encourage readers to identify what traits these animals share and ...

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. Learn about climate change and its risk to marine mammal and environmental preservation. Vocabulary call-outs throughout the title, along with a separate glossary after the main text, will help improve the language skills of readers, while thoughtful and comparative questions create connection...

Many animals live in water, but only some can be defined as fish. Twenty-eight thousand species of fish exist, each with different characteristics. Readers from grades one through four will learn that fish have a distinct impact on their ecosystem and will see how fish survive when well-adapted to an uncompromised environment. Beautiful photographs demonstrate the great diversity of fish and accompany intellectually stimulating explanations of their varying roles and traits. From page to p...

Marine biology is both essential and inspirational to human life. The bodies of mollusks in particular allow them to live aboveground, underwater, or both, depending on the species. Readers will learn about the unique contribution oysters, squid, and slugs, all of which are different classes of mollusks, make to their habitats. Their diets, their vulnerabilities, what they leave behind, and what threatens them take shape on pages that depict what mollusks are through both stunning photogra...

Every time you eat a sandwich, an apple, or a piece of cake, it's like you are eating a little piece of sunshine! The sun is the source of all energy on Earth and flows through all life - even through the waste of an organism. From microscopic creatures living under your couch to gigantic elephants roaming Earth, explore the interdependence of all organisms in this fact-filled science book. Fifth-grade readers will learn all about our amazing sun, fusing elements, photosynthesis, energy ex...

Este volumen te descubrirá aspectos inéditos de la vida de especies de felinos distintas al león y el tigre, que ya conoces por otros tomos de nuestra colección "Animales salvajes". Ahora te presentamos felinos como el leopardo, la pantera, el jaguar, el guepardo y otras especies de felinos de pequeño tamaño, como el lince, el ocelote, el puma o el gato salbvaje. Conociendo la forma de vida de estos hermosos felinos, aprenderás a amarlos y a defender su conservación.

En este volumen conocerás la forma de vida del gorila, el mono o primate que más se parece al ser humano. Lo verás en su ambiente natural y sabrás cómo se alimenta. Tal vez te sorprenda descubrir que sólo come hierbas y frutos y que, a pesar de su envergadura, es pacifico y únicamente resulta peligroso cuando se le moleta. Pero incluso en tal caso, procura intimidar a su enemigo para que éste renuncie a la lucha.

Lili vive en una pradera que comparte con gran cantidad de flores y animales. Su vida parece simple, después de todo es tranquila y feliz. Pero un día alguien toca a su puerta y cambia su manera de vivir y de ver las cosas. ¿Quién será? ¿Qué le va a suceder a La casita de Lili?Entra en la maravillosa historia de Lili, descubre un mundo lleno de color y aprende lo que verdaderamente es importante en la vida.