Galapagos Cactus and Scalesia

Year Published: 1972

Creator: Bartholomew George A. (George Adelbert) 1919-2006

Format: 16mm

Sound: sound

Description: Examines the wide range of ecological conditions in the Galapagos archipelago and the patterns of speciation and adaption shown by Opuntia and Scalesia. Growth and patterns of reproduction are related to the major vertebrate herbivores. From the Galapagos: Laboratory for Evolution series. G.A. Bartholomew

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