This book details the growth and development of these fascinating, prehistoric fish. Readers will learn about topics such as how shark pups are born, the behaviors and feeding habits of juvenile sharks, and how adult sharks find one another in order to mate.
Emperor penguins are one of the very few species able to survive in the frigid Antarctic and the only species that stays there year-round. This book follows the journey these birds take to their annual breeding grounds and the difficulties they face by having their young in the harshest conditions on the planet.
Frogs begin their lives as tiny tadpoles living in water. As adults, they live both on land and in water. This book details the changes in a frog at the four stages: egg, tadpole, froglet, and adult. Readers will learn about topics such as how frogs breathe and eat at each stage, differences in the metamorphosis of frogs in different climates, and dangers to frogs from pollution, pesticides, and destruction of habitat.
In Biome Beasts: Ocean Animals, readers will discover how animals survive in saltwater biomes and the skies above them. Most of Earth is covered by oceans and seas that are home to an amazing variety of animals. Some have adapted to life in the cold, dark aphotic zone. Others live in the disphotic zone where predators attack from above or below. Still others live in the top layer, the euphotic zone, where food is plentiful but competition for it is fierce.
In Biome Beasts: Estuary Animals, readers will discover how and why animals survive and thrive in these sheltered biomes. Life in the estuary is always changing. Ocean tides of saltwater flow in and out of the estuary and mix with the fresh water that flows from rivers and streams. The animals that swim or wade in the waters or make the mudflats their homes must have physical or social adaptations that allow them to live in the salty mix.
Twice as long as humans are tall, the great white shark is the largest predatory fish in the ocean. This fish will go through 20,000 teeth over its lifetime. Read all about the fish made famous by the movie Jaws.
From where they sleep to what they eat and how you can make them feel safe and at home, this book gives you pet care advice on a variety of different pets. Learn the inside information on how to care for and understand the behavior of pets such as snakes, insects, chinchillas, newts, and salamanders.
This revised edition surveys key aspects of crocodiles, describing the swimming reptiles’ appearance, behaviors, and habitats. A folk tale explains why these creatures have rough, bumpy skin.
This revised edition surveys key aspects of dolphins, describing the leaping mammals’ appearance, behaviors, and habitats. A folk tale explains why these creatures are friendly toward humans.
This new Spanish edition surveys key aspects of killer whales, describing the carnivorous marine mammals’ appearance, behaviors, and habitats. A folk tale explains how these creatures came to be.
Practice measurement, unit conversion, and algebraic thinking while learning all about sharks in this Spanish-translated nonfiction e-book! From dwarf dogfish to whale sharks, Spanish readers will be fascinated by these marine creatures as they improve their mathematical and STEM skills. Measurements and various units for length, weight, speed, and even the amount of liquid consumed by a whale shark, are concepts addressed in this easy-to-read informational text. With exciting images, simple practice problems, clear mathematical charts and diagrams, and text features such as a glossary and index, this e-book will leave readers more confident in their measurement skills, encouraging them to measure things in their daily lives as well!
This magnificent book uses beautiful photography to help young children understand that oceans are a type of habitat or place in nature where plants and animals live. Simple text explains why some oceans are warm and some are cold, which kinds of plants and animals live in oceans, and how the bodies of ocean animals are built to help them glide through water. Other topics such as photosynthesis, tide pools, and coral reefs are briefly and simply explained. Children will be delighted by the images of seals, penguins, polar bears, dolphins, and more.
Coasts are areas of land next to oceans. Coasts can be sandy or rocky and have landforms such as cliffs, sea stacks, caves, and arches. Coasts can be next to open oceans or be sheltered in bays or coves. In this beautifully photographed book, Bobbie Kalman takes children on a tour of different coasts, where they can ride some breathtaking ocean waves or meet underwater animals that live in nearby coral reefs. Children will also be introduced to some amazing coastal cities and learn about famous coastal rock formations.
En el libro se explica qué son las cadenas alimentarias del océano, habla de los ecosistemas y lo que se hace para asegurar la supervivencia de plantas y animales del mar.
