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.

There are thousands of species of bees, and not all are yellow and black. However, the telltale yellow and black of the honeybee and bumblebee are the best known. Beginning readers explore the world of bees and find out what keeps them busy all day. From flying from flower to flower to making honey, the details in this book are both familiar and new to curious future entomologists. Full-color detailed photographs complement the low-ATOS text, making it the perfect addition to any early elementary library or classroom.

Este libro, con descriptivas ilustraciones, incluye información básica sobre el tema de los sentidos humanos y establece interesantes comparaciones con los de los animales Con el fin de captar las sensaciones del mundo que lo rodea, el ser humano utiliza los sentidos; ojos, nariz, oídos, lengua y piel son los órganos que reciben los estímulos y los envían al cerebro, que identifica a qué corresponde cada percepción. De este modo, desde el nacimiento, en la memoria se va acumulando información sobre la forma en que se asocian las sensaciones y su significado: el aroma del pastel con...

Atractivo álbum de divulgación científica dirigido a niños y niñas de entre 6 y 9 años que destaca por la calidad de sus ilustraciones y la accesibilidad de la información. Un viaje al pasado remoto de la Tierra. Quizá los trilobites no sean tan espectaculares como los grandes dinosaurios. Sin embargo, estos pequeños seres prehistóricos -los cuales vivieron durante el periodo Cámbrico, es decir hace 542 millones de años-, tienen mucho que decirnos sobre el pasado remoto de la Tierra y sobre los seres vivos en general. Su fascinante anatomía, por ejemplo, guarda curiosas...

Cyclists Zoe and Kate are friends and athletic rivals for Olympic gold, while Kate and her husband Jack, also a world-class cyclist, must contend with the recurrence of their young daughter's leukemia.

It's Ms. Frizzle's birthday and the class tries to bake a cake but winds up inside it, learning about mixtures and reactions that occur when ingredients are put together."