Why manage zoo populations

Gone are the days of extensive collecting expeditions to replace mammals that have died during transport or exhibition. Zoos must now manage their captive populations to the fullest. It is no longer ecologically responsible or ethical to capture wild mammals for the sole purpose of entertainment. In fact in 1992, 82% of the worldwide mammal population living in zoological parks was born in captivity, according to data collected in 2002 by the International Species Information System (ISIS).

When compared to wild mammal populations, most captive populations are very small. Small populations tend to be

Essentials of Human Physiology

Essentials of Human Physiology

This ebook provides an introductory explanation of the workings of the human body, with an effort to draw connections between the body systems and explain their interdependencies. A framework for the book is homeostasis and how the body maintains balance within each system. This is intended as a first introduction to physiology for a college-level course.

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