El regalo de cumpleaños del abuelo (Grandpa's Birthday Present)

Wildlife scientists study animals and plants, and they learn about endangered animals and how to help save them. Many times animals are tagged to study them and track them. Dr. Ian Stirling studies polar bears and retrieves data by observing them throughout the year. Dr. Jane Goodall studied chimpanzees all her life and learned many interesting things about the way they live, which is much like humans. She believes that we can help animals and promote peace in the world.

Practice data analysis while learning about endangered species! This title allows young readers to improve their understanding of data analysis and graphing methods, teaching them about probability and STEM skills through bar graphs and pictographs. This book includes engaging examples of wild animals who are endangered species, teaching readers about their habitats, their greatest threats, and their predicted populations. Vibrant images, exciting examples, and clear mathematical diagrams and charts engage readers while making them more confident in their data analysis skills.

¡Skuiter ha desaparecido! Rápidamente se ponen todos a buscarlo hasta que descubren que... ¡ha ido al santuario! Dani, Evan, Bizcoché, Julián y Maribel viajan hasta el Jurásico para buscar a su amigo. ¿Estará en peligro? Pero cuando llegan, descubren que algo terrible sucede en el mundo secreto de los dinosaurios. Y la única forma de salvarlo es encontrar la cueva del T-Rex dorado.

What’s the difference between a seal and a sea lion? These “second cousins” of the sea look similar, but there are many ways to tell these creatures apart. From ear shape to the noises they make to communicate, seals and sea lions are amazing creatures with both shared features and many truly unique attributes. They both share an ocean habitat, but when readers take a closer look, it’s easy to discover how they each fight off predators, mate, and raise their young in different ways. Captivating full-color photographs help to bring these marvelous mammals to vivid life.

Si quieres regresar a los días en los que usabas pantalones deslavados, pulseras de goma, vestías sacos con hombreras, coleccionabas vasos de refresco, formabas tu ficha en las maquinitas y regresabas los casetes con una pluma, compra este libro. Y cuéntaselo a quien más confianza le tengas.

Discusses Things That Rot And Break Down And Things That Don't, How Decomposing Things May Feed Insects Or Animals Or Help The Soil, And Talks About Recycling.