A detailed chronology of developmental milestones drives this life study of sharks, including their habitats, physical features, and conservation measures taken to protect these cartilaginous fish.
Describes the deepest part of the ocean, called the abyss, and explains how, with new equipment and technology, humans are beginning to learn more about the abyss and the creatures who live there.
A look at a common food chain in the Pacific Ocean, introducing the plankton that starts the chain, the killer whale that sits atop the chain, and various animals in between.
Practice measurement while learning all about sharks! These exciting creatures will fascinate children as they improve their mathematical and STEM skills, using familiar units of measurement to measure sharks and their ocean environment. With exciting images, simple practice problems, easy-to-read text, clear mathematical charts and diagrams, and an accessible glossary, this title will leave readers more confident in their measurement skills, encouraging them to measure things in their daily lives as well!
Gray whales live in the Pacific Ocean and can grow to be 50 feet (15 meters) long. Readers will discover how whale hunters brought these huge mammals to near extinction and how people are working together to help these giants of the sea fight for survival.
An elephant seal has a thick layer of blubber that keeps it from freezing in cold northern waters. This protective layer of blubber was prized by hunters who killed so many elephant seals that there were fewer than 100 left alive. Discover how government leaders and others took action to save these sea mammals from extinction.
Readers are introduced the habitat and lifestyle of the American Alligator and learn how the American Alligator is making a comeback from near extinction. Find out how people in the southeastern United States are learning to live with these amazing creatures.
Zebra Mussels are known for their striped shells and clingy habits. These natives of Europe and Asia traveled to North America in by ship. Learn more about why the zebra mussel poses a threat to native animals and the health of North American waterways.
This book is an introduction to biomes and ecosystems and provides background for the in-depth discussion of the ocean biome. Reading Essentials in Science.
Oceanography is the study of the ocean's composition, movements, and organisms. Reading Essentials in Science.