Amphibian Embryo (1963)

The film explores the reproductive cycles and embryonic development of amphibians, specifically frogs and salamanders. It details the processes of fertilization, egg development, and the stages of embryogenesis, including cleavage, gastrulation, and the formation of organs. Time-lapse photography is used to illustrate the rapid changes during development, highlighting differences and similarities between toads and salamanders. The film concludes with the transition of larvae to adult forms and their eventual return to water for reproduction. Keywords amphibians, reproduction, fertilization, embryonic development, frogs, salamanders, time-lapse photography, cleavage, gastrulation, larvae, adult transition