Palaeontology from Blue & Grey Book Shoppe

From the inside cover: "This book is about fossils, which are the remains of animals and plants that have lived during the vast period of time that life has existed on the Earth." "Most fossils are the hard parts...shells or bone of animals, trunks or stems of plants...that have been buried sufficiently quickly in the muds and sands of ancient seas,… Saber más sobre este artículo