The Cactus: Adaptations for Survival

Year Published: 1973

Creator: Encyclopaedia Britannica Educational Corporation

Format: 16mm

Sound: sound

Description: With teacher's guide Producer, Ed Harris; collaborator, Charles Ackerman Laboratory experiments are employed to demonstrate the unique physical characteristics and life cycles which permit the cactus to adapt successfully to harsh environments. Explains the plant's water-conserving abilities and its growth in areas hostile to other plants. Studies the spread of the prickly-pear cactus in Australia

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