The Cactus: Adaptations for survival

Demonstrates the unique physical characteristics and life cycles which permit the cactus to adapt successfully to harsh environments. Explains the plants' water-conserving activities, and studies the spread of prickly-pear cactus in Australia., Pictures a variety of cactus species, explaining that their ability to survive in and adapt to harsh environments is a result of their diversity. Demonstrates the unique physical characteristics and life cycle of the cactus using laboratory experiments and time-lapse cinemaphotography. Discusses the plant's water-conserving ability and its growth in areas hostile to other plants. Warns of the ecological dangers of introducing plants into areas foreign to that of their origin by relating the story of the prickly-pear cactus in Australia., , The Cactus - Adaptations for Survival Distributed by Encyclopedia Britannica Educational Corp; 310 S Michigan Ave; Chicago ; IL; 60604; Tel. (800)621-3900 (800)554-9862 (312)347-7900DC: EBEC Produced by Encyclopedia Britannica Educational Corp; 310 S Michigan Ave; Chicago ; IL; 60604; Tel. (800)621-3900 (800)554-9862 (312)347-7900PC: EBEC Year published 1973 Grade Level: I J Distributed on media: 1 videocassette (14 min.), 1/2 in.; 1 videocassette (u-matic) (14 min.), 3/4 in.; 1 film reel (14 min.), 16 mm. Color?Color Length: 14 MIN Library of Congress Registration 73-701229 Description: Explains that the cactus has been able to adapt successfully to harsh environments through its unique physical characteristics and life cycles. Demonstrates its water-conserving characteristics. Topics: Basic-Life-Science,-Plants-Leaves,-Roots,-Stems; Basic-Life-Science,-Plants-Processes; Biology,-Botany-Processes; Biology,-Botany-Types-Of-Plants; Biology,-Ecology-AdaptationNOTE: Two (or more) records have been merged together to create this data.