72 p. :ill. (chiefly col.), col. maps ;29 cm. +1 computer optical disc (4 3/4 in.) + 1 folded poster.
"Discover the origins of life on earth-- from the first bacteria to the coming of humans"--Cover.
CD-ROM contains clip art.
Includes index.
Explores the origins of life on earth--why it began in the sea and not on land, how dinosaurs ruled for millions of years, and how mammals and humans took over.
1.Evolution (Biology)--Juvenile literature.2.Fossils--Juvenile literature.Dynamic Details