tidal communities. At first labels are applied to the occupant of 

 each niche to identify its position in the community. Eventually 

 the student is asked to supply this information to assure that he 

 understands the meaning of each term. 



This is an ideal teaching film in that it is brief, thorough, and 

 the material is attractively presented. It should serve as a good 

 means of presenting a student with the basic tools for the study 

 of ecology. 



AUDIENCE: High school; college 



GRASS BLADE JUNGLE 



Color Sound Bailey Films 



11 minutes Rental Sale 



The jungle of the title can be found in one's backyard, a vacant 

 lot, or garden. The "beasts" of this jungle can best be observed 

 through a magnifying glass for they belong to the Phylum Arthrop- 

 oda. Various members of this group chilopods (centipedes), 

 diplopods (millipedes), insects, crustaceans (saw bugs), and arach- 

 nids (spiders) are presented. Their feeding habits and identifying 

 characteristics are illustrated. 



Clear and well-photographed sequences as well as an excellent 

 script make this a good introduction to the study of arthropoda. 

 The student's curiosity is aroused, and the film introduces many 

 topics for further exploration. Ecology and conservation may be 

 brought into any discussion of the film by mentioning the tremen- 

 dous reproductive capacity of arthropoda and some of the checks 

 on their population growth mentioned in the film. 



AUDIENCE: Upper elementary; junior high 



LIFE IN THE WOODLOT 



Color Sound McGraw-Hill 



17 minutes Rental Sale 



According to the producer, the purpose of this film is "to study 

 the hidden world of the underbrush; to serve as warning that the 

 complete destruction of one form could topple the pyramid of life 

 by which the lower orders sustain and support the higher orders." 



There is an unusual dichotomy in this picture, and in no way 

 does it detract from its appeal. To the sportsman the story will 

 come to life as the camera catches the drumming grouse as he seeks 



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