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)

Describes a series of four experiments designed for small group involvement (each requiring 6 days) emphasizing students' scientific methodology. Topics include: feeding behavior; light/temperature effects on reproduction; effect of density on feeding; and altered male/female ratios on male behavior. Each experiment includes introduction, material…