The energetic cost for walking is relatively higher for penguins than for other birds or for quadrupeds of similar body mass. The morphology of penguins seems to represent a compromise between aquatic and terrestrial locomotion wherein both energy economy and speed suffer when the birds move on land.
A review of major ideas pertaining to the importance of the body size of animals. It discusses the size range of living organisms and the possibilities and constraints that result from the design of animals and the materials used in their supporting structures. The change in size of similarly organized animals is considered in the light of the principles of… (More)
News in Physiological Sciences (ISSN 0886-1714) is published bimonthly (one volume per year) by the International Union of Physiological Sciences and the American Physiological Society. Copyright 0 1989 by the International Union of Physiological Sciences and the American Physiological Society. Printed in the United States of America. The code at the bottom… (More)
Barry, D. A Moon base offers more than just a good view, Chen, N-J. C5L2 is critical for the biological activities of the ana