Several examples of coevolution which can be used in biology classes are presented. Discussed are evolutionary processes in general, giant cacti, and reptile and cacti association. The effects of human interference are briefly described. (CW)

Since no civilization can survive without a healthy environment, people must learn to live in harmony with their natural ecosystems and build for future generations. This guide describes six award-winning programs on the condor, black-footed ferret, panthers and cheetahs, ducks, farming and wildlife, and the Galapagos Islands. Although each…

In May 1984, Ecuador contacted an American agency that provides assistance to developing countries, and requested that a consultant in computer education be sent to help establish a computer education program in one of its schools. The experiences and observations of this consultant are provided. (JN)