SINOPSIS DEL LIBRO

Have you ever wondered how animals and humans on planet Earth evolved from primitive single-celled organisms into the complex animals and humans of today Elena Grigorieva has used simple pictures and brief descriptions to demonstrate how animals and humans have evolved from single-celled creatures called protozoans to multicellular metazoans over aeons of time This is a key question that scientists and laymen have long puzzled over This book is p...Seguir leyendo