The right size
Subtitle: why some creatures survive and others are extinct
By: by Hal Hellman. Illustrated by Sam Salant.
Contributors: Salant, Sam, illus.
Series: A Science survey book
Publisher: Putnam
Published: 1968
Place of publication: New York
Language: eng
Number of pages: 126
Subjects: Morphology (Animals) -- Juvenile literature.; Adaptation (Biology) -- Juvenile literature.; Evolution -- Juvenile literature.; Morphology (Animals); Adaptation (Biology); Evolution.
Description: Explains how an animal's size and shape are major factors in selective evolution or survival of the fittest.
Notes: Bibliography: p. 119-122.