Describes ways platyfish can be utilized in biology activities and experiments. Includes an account of the animals' care, unique anatomical characteristics, reproductive behavior, and genetics. (DS)

Provides examples of several classroom activities utilizing the American horseshoe crab (Limulus Polyphemus), including raising fertilized eggs, fertilizing eggs in vitro, and testing water samples. Includes background information on the natural history, life cycle, and breeding habits of this animal. (DS)

Suggestions are given for using zoos as a teaching resource. Cooperation is encouraged between teachers and zoo personnel. (SA)

Describes experiences in establishing an animal caretaker program for New York City students. The program works with cooperation from the United Pet Dealers Association and support from the pet industry. (SA)

Reports on the implementation of an extracurricular course for fifth-grade students that focuses on the structure and function of animals. Students participate in direct observation of animals, watching videotapes, group discussion, and building kits and games. (DDR)

Described are activities using ants. Ant hunting, a list of books on the topic, information, and ant farming are included. The procedures for assembling and maintenance of an ant farm are presented. (KR)

Suggests creating a biological park to stress the interrelationships between plants and animals. States that the techniques of a zoo should be applied to paleontology, anatomy, anthropology. Gives advantages of this creative concept. (RT)

On the eastern edge of the Cascade Mountain range in Washington State, high school biology students have a unique opportunity to study the elusive cougar ("Felis concolor"), a large cat native to the area. Nestled in the Cascade foothills is the city of Cle Elum, a small rural community that is expected to soon experience considerable…

Biology teachers in introductory and upper level high school courses generally present principles of taxonomy as part of the curriculum. Students learn about classification systems that categorizes species into recognized taxonomic groups based on their degrees of structural divergence or derived ancestral traits. References made, hereafter, to…

The purpose of the present study was to examine the relative adequacy of the dry mouth vs. emotional theories of SIP using the desalivate rat. (Author)

This article describes the activities of the health manager of the San Diego Zoo, California. (PD)

"Eukiefferiella" and "Tvetenia" are closely related genera belonging to the subfamily Orthocladiinae within the Chironomidae, a family of non-biting midges. All known larvae in these genera are aquatic, being found predominantly in running water. Most species prefer cold, swift-flowing, well-oxygenated streams. Although larvae…

Food preferences set by delayed visceral effects facilitate memory research and predator control. (Author/RH)

Analogies can be useful in the study of behavior, physiology, and comparative evolution. Dangers in mistaking a homology for an analogy are discussed. (RH)

The diverse effects of light on plants and animals are reviewed in general. The conditioned behavior of fruit flies is also discussed. For the second article in this series, see SE 511 548. (DT)