Las cadenas alimentarias en el desierto (Desert Food Chains)

Go for the goal with this text, which examines fascinating female sports heroes who’ve proved to the world that gender is no barrier to athletic success. Readers will delight in learning about the lives of Mia Hamm, Wilma Rudolph, and the Williams sisters, as well as other important women who’ve broken barriers in sports. Readers will be inspired to pursue a career in athletics after learning about how others have achieved success in spite of great obstacles. The biographical nature of the text supports social studies curricula, and fact boxes and a comprehensive timeline provide...

Animal keepers have developed innovative ways to help zoo animals learn and grow. Learn how zookeepers keep animals healthy and happy with this fun and informative book. Created in collaboration with the Smithsonian Institution, this STEAM book will ignite a curiosity about STEAM topics through real-world examples. It features a hands-on STEAM challenge that is perfect for makerspaces and that guides students step-by-step through the engineering design process. Make STEAM career connections with career advice from actual Smithsonian employees working in STEAM fields. Perfect for English...

Do you know the important skills it takes to survive in the jungle? Learn about them in this useful, Spanish-translated nonfiction title. With helpful diagrams, vital tips and instructions, vivid images, and a glossary of useful terms, this title will have readers feeling aware and prepared!

La presente obra realiza un estudio exhaustivo del Derecho de las obtenciones vegetales establecido en el Convenio de la UPOV, así como en los ordenamientos de la Unión Europea y de España. El libro se divide en veinticinco capítulos, agrupados en siete grandes bloques temáticos referidos, sucesivamente, al sistema normativo, a los requisitos de protección de las variedades vegetales, al derecho a la protección y el procedimiento de registro, a los efectos de la protección, a las obtenciones vegetales como objeto de propiedad, a la nulidad y a la caducidad, y a la defensa del derecho...

Describes the life and work of the scientist who was persecuted by the Inquisition for his views of the universe.