Los ciclos de vida de los mamíferos (Mammal Life Cycles)

Many insects hatch from eggs and molt several times as they grow bigger. Others, such as butterflies, undergo a complete metamorphosis. A common science curriculum topic, insect life cycles may be confusing because of these differences. However, this book breaks down these cycles into easy-to-understand steps in both accessible language and colorful diagrams readers can turn to for review again and again. The most important vocabulary needed to talk about insect life cycles is further explained in fact boxes and an extended glossary.

Ants are known as one of nature's hardest working animals. Their strength and persistence in bringing food to their colonies have been well documented. Now, beginning readers have a chance to learn about some of the littlest bugs in this volume written just for them. Complete with information about what ants eat, how they live, and generally how they stay so busy, this book is a must-have to satisfy the curiosity of your youngest naturalists. Eye-catching and unique photographs complement the low-ATOS text and aid in comprehension.

Ella es una chica hermosa, de origen humilde, dulce, trabajadora e inteligente, que trata de salir adelante por su esfuerzo. Él es el hijo único y mimado de un rico político, un joven al que nada se le niega y todo se le da a manos llenas. Que pasa cuando a un joven al que nada se le niega, le dicen que no por primera vez? que pasa cuando se toma por la fuerza, lo que otras nunca te negaron? que pasa cuando unos hermosos ojos color violeta, te persiguen y te recuerdan el crimen cometido? que pasa cuando por amor, pides perdón y te es concedido? Eso y mas encontraras aquí.

Young readers may have heard about the benefits of using and making the most of their resources, but how does that factor into an economic discussion? This thorough discussion defines resources and describes the different types of resources and why some divide them into three categories and others choose four. The book also addresses the concept of scarcity, showing readers how, because all resources have their limits, it is important to use them responsibly and efficiently in a healthy economy.

In this inspiring Spanish-translated biography, readers will learn about the life of Wilma Rudolph, the first American woman to win three gold medals at one Olympics. Readers will feel engaged and inspired as they read about Rudolph's incredible journey from a young girl with polio, to her first encounter with track and field, to becoming one of the best Olympic athletes of her time! A timeline of Rudolph's life, a glossary, and index are provided for further understanding of the content and improvement in vocabulary.

Viaja por el espacio con la ayuda de este espectacular libro que contiene: un Sistema Solar en tres dimensiones; mapas del espacio que muestran dónde está cada planeta, con muchos datos sobre cada uno de ellos; páginas deslizables y mucha información sobre cada planeta del Sistema Solar, la Luna, el Sol, la Vía Láctea y el universo...