Identify different kinds of freshwater fish in North America's lakes, ponds, streams, and rivers. Photos and carefully leveled text provide defining details for each kind of fish, such as patterns or unique body parts.
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.
What reptile fits on your fingertip? What animal might you need a microscope to see? In Smallest Animals, beginning readers are introduced to the tiniest animals across a variety of classes and species. Vibrant, full-color photos and carefully leveled text engage young readers as they learn about Earth's smallest animals. A comprehensive back matter feature shows each featured animal on a ruler to visually display its small size. Children can learn more about small animals online using our safe search engine that provides relevant, age-appropriate websites. Smallest Animals also features reading tips for teachers and parents, a table of contents, and an index.
How fast is a cheetah? What's the fastest bug? In Fastest Animals, beginning readers are introduced to the quickest animals across a variety of classes and species. Vibrant, full-color photos and carefully leveled text engage young readers as they learn about Earth's fastest animals. A comprehensive back matter feature notes and compares the featured animals' speeds. Children can learn more about fast animals online using our safe search engine that provides relevant, age-appropriate websites. Fastest Animals also features reading tips for teachers and parents, a table of contents, and an index.
What's slower than a sloth? Could you beat a tortoise in a race? What's the slowest swimmer? In Slowest Animals, beginning readers are introduced to the slowest animals across a variety of classes and species. Vibrant, full-color photos and carefully leveled text engage young readers as they learn about Earth's slowest animals. A comprehensive back matter feature notes and compares the featured animals' slow speeds. Children can learn more about slow animals online using our safe search engine that provides relevant, age-appropriate websites. Slowest Animals also features reading tips for teachers and parents, a table of contents, and an index.
How much weight can an elephant carry? What animal has the strongest bite? In Strongest Animals, beginning readers are introduced to the strongest animals across a variety of classes and species. Vibrant, full-color photos and carefully leveled text engage young readers as they learn about Earth's strongest animals. A comprehensive back matter feature highlights the strongest within each animal class. Children can learn more about strong animals online using our safe search engine that provides relevant, age-appropriate websites. Strongest Animals also features reading tips for teachers and parents, a table of contents, and an index.
What's the biggest bird? Is a blue whale bigger than an elephant? What's the tallest animal? In Biggest Animals, beginning readers are introduced to the largest animals across a variety of classes and species. Vibrant, full-color photos and carefully leveled text engage young readers as they learn about Earth's biggest animals. A comprehensive back matter feature displays the animals noted in the book and shows how they measure up to each other. Children can learn more about big animals online using our safe search engine that provides relevant, age-appropriate websites. Biggest Animals also features reading tips for teachers and parents, a table of contents, and an index.
What animals use tools? How do orcas work together to hunt? Can elephants tell when a friend is sad? In Smartest Animals, beginning readers are introduced to the smartest animals across a variety of classes and species. Vibrant, full-color photos and carefully leveled text engage young readers as they learn about Earth's smartest animals. A comprehensive back matter feature highlights different ways animals show and utilize their intelligence. Children can learn more about smart animals online using our safe search engine that provides relevant, age-appropriate websites. Smartest Animals also features reading tips for teachers and parents, a table of contents, and an index.
In Gross Animal Habits, readers will learn about different bizarre animal behaviors, including blood-squirting lizards, spitting llamas, and gut-flinging sea cucumbers. A comprehensive Why Do Animals Do Gross Things? back matter feature highlights different types of disgusting animal behaviors. Children can learn more about gross animal habits online using our safe search engine that provides relevant, age-appropriate websites. Gross Animal Habits also features reading tips for teachers and parents, photo labels, a picture glossary, a table of contents, and an index.
In Slimy Animals, readers will learn about slimy animals, including snails and slugs, slime eels, and worms. A comprehensive Why Are Some Animals Slimy? back matter feature highlights different uses for slime in the animal kingdom. Children can learn more about slimy animals online using our safe search engine that provides relevant, age-appropriate websites. Slimy Animals also features reading tips for teachers and parents, photo labels, a picture glossary, a table of contents, and an index.
In Stinky Animals, readers will learn about smelly animals, including stink bugs, skunks, and musk oxen. A comprehensive Why Are Some Animals Stinky? back matter feature highlights different uses for smelly scents in the animal kingdom. Children can learn more about smelly animals online using our safe search engine that provides relevant, age-appropriate websites. Stinky Animals also features reading tips for teachers and parents, photo labels, a picture glossary, a table of contents, and an index.
In Seashells, beginning readers will learn to identify different kinds of seashells found on the beach. Photos and carefully leveled text provide defining details for each kind, such shape, color, texture, and size. A comprehensive back matter feature quizzes readers, asking them to match each image of a seashell with its name. Children can learn more about seashells and how to identify them online using our safe search engine that provides relevant, age-appropriate websites. Seashells also features reading tips for teachers and parents, photo labels, a picture glossary, a table of contents, and an index.
Las focas y los leones marinos tienen un aspecto similar y algunas veces es complicado saber cuál es cuál. Ambos mamíferos marinos nadan con aletas y pueden encontrarse en océanos alrededor del mundo. Uno tiene orejas visibles, mientras que las orejas del otro no son externas. Uno atraviesa el agua utilizando sus aletas traseras, mientras que el otro usa sus aletas frontales para nadar. Ya sobre tierra, uno rebota hacia sus alrededores, mientras que el otro puede “caminar” sobre sus aletas.
¿Qué tienen en común y en qué se diferencian los cangrejos y las langostas? Aunque ambos animales viven en el océano, uno prefiere nadar y el otro caminar. Uno puede ser encontrado en pozas costeras y el otro en alta mar. Ambos tienen esqueletos en la parte externa de sus cuerpos. ¡Hay mucho más sobre estos animales además de ser un buen alimento para nosotros!
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 young fish called fry to the whale shark--the largest fish--young readers will get a look at how some fish adapt in weird ways to their environment in order to survive. Amazing photos and simple text make this book a great high-interest read.
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.
Earth was a lot different when dinosaurs were alive. Back then, the world's oceans were ruled by large sea monsters. Even though there have been incredible changes on Earth, there are still sea monster relatives living today!
Existen más de 300 especies de tortugas. Estas viven desde en las aguas profundas del océano hasta a los hábitats secos del desierto, y varían de tamaños desde pequeñas tortugas de caja hasta tortugas gigantes de los Galápagos. Todas tienen caparazones como parte de sus esqueletos, pero algunos esqueletos son planos y los otros son domos grandes. Algunas tortugas pueden meter sus cabezas dentro de los caparazones para protegerse y otras no. Algunas son herbívoras y otras son omnívoras, pero ninguna tiene dientes. Aprende más sobre las cosas que tienen en común estos reptiles y cómo se diferencian en la edición más reciente de la serie Un libro de comparaciones y contrastes.
Los pulpos y los calamares son invertebrados marinos que a veces son confundidos entre sí. Ambos tienen ocho patas, pero uno también tiene dos tentáculos. Uno tiene pupilas en forma de rectángulo, pero las pupilas del otro son redondas. Uno nada o camina a lo largo del fondo marino con patas fuertes. El otro solo nada usando sus aletas. Uno vive solo en cuevas, mientras que el otro vive en aguas abiertas. Aprende más sobre las similitudes y diferencias entre estos animales en la nueva edición de la serie de Un libro de comparaciones y contrastes.
Los peces viven en todo el mundo, tanto en agua dulce como en salada, y en hábitats tropicales, templados y polares. Algunos peces tienen huesos y otros tienen esqueletos de cartílagos. Los tamaños varían desde diminutos peces dorados, hasta inmensos tiburones blancos, con todo tipo de tamaños en el medio. Desde especies planas que habitan en el fondo marino, hasta nadadores con velocidad de torpedo, las formas de sus cuerpos cumplen todas sus necesidades. Algunos peces, como los lenguados y los caballitos de mar, incluso tienen formas que utilizan como camuflaje. Los colores pueden ir desde grises y marrones, rojos, amarillos o azules brillantes. ¡Explora las similitudes y diferencias en la edición más reciente de la serie de Un libro de comparaciones y contrastes!
Los aligátores y los cocodrilos están entre los reptiles a los que se les confunden más. Aunque ambos son crocodilianos y, en algunos casos, pueden vivir en las mismas zonas, estos son bastante diferentes. Los lectores aprenderán qué tienen en común y cómo diferenciarlos. Ambos pasan tiempo sobre tierra y en el agua. Unos comen animales pequeños, ¡pero los otros cazan animales más grandes que ellos! Unos tienden a tener hocicos amplios, y los otros tienen hocicos con forma de “v”. Explora datos fascinantes sobre estos animales grandes (y atemorizantes) en la entrega más reciente de la serie de Un libro de comparaciones y contrastes.
Quizás has visto una nutria nadando y jugando en un zoológico o acuario, pero, ¿sabes cómo viven estos animales asombrosos en la naturaleza? A la mayoría se les encuentra en hábitats de agua dulce, mientras que otras hacen sus hogares en bosques de algas costeros o pueden ser encontradas alimentándose en litorales rocosos. Hay muchas similitudes entre las nutrias de río y las nutrias de mar, pero también hay vastas diferencias. Explora fascinantes datos acerca de estos mamíferos juguetones y acuáticos, conoce las especies y admira fotos adorables en este título nuevo de la serie Un libro de comparaciones y contrastes.
