Descripción
Sharks have been called primitive creatures. although accurate in some ways, this description is misleading. Sharks first began to appear on earth about 400 million years ago. They roamed the seas 200 million years before dinosaurs walked on land, and beat humans on the scene by some 399 million years.
Detalles del libro
Formato
Tapa blanda
Páginas
40 páginas
Idioma
Inglés
Publicado
Oct 1, 1990
Editorial
Blake Publishing, Incorporated
ISBN-10
0918303249
ISBN-13
9780918303240