What if there were no sea otters? : a book about the ocean ecosystem
Título:
What if there were no sea otters? : a book about the ocean ecosystem
PERSONAL_AUTHOR_EPSB:
Resumen:
Discusses the ocean ecosystem and the role of the sea otter as a keystone species in helping to maintain it, describing the otter's place on the food chain and what would happen if the sea otter were to become extinct.
Fecha de publicación como intervalo:
2011
SERIES_EPSB:
Descripción física:
24 p. : col. ill., col. map ; SC, 27 cm.
Autor añadido:
ISBN:
9781404860186
9781404863972
Información de publicación:
Mankato, MN : Picture Window Books, c2011.
