Whistling thorn
By: Helen Cowcher.
Publisher: Scholastic
Published: 1993
Place of publication: New York
Language: eng
Number of pages: 34
Subjects: Acacia -- Evolution -- Africa -- Juvenile literature.; Acacia -- Ecology -- Africa -- Juvenile literature.; Acacia.; Ecology -- Africa.
Genres: Juvenile literature.
Description: Explains how the acacia evolved its own protection against browsing animals and helped create a balanced natural environment.