MOVEMENTS OF SOME COMMON PLANTS

Duration: 15 min

Year Published: 1940

Creator: Rutgers Films

Format: 16mm

Description: The growth of the following plants is here speeded up from 40 to 1 trillion: sunflower, garden pea, mushroom, scarlet bean, cucumber, blood root, night-blooming cereus and marsh mallow. Directed reactions in a field of force (tropisms) are studied first; then higher reactions including reflexes and chains of reflexes lead up to a review of nervous system activity. Such reactions as geotropism, hydrotropism, stereotropism, galvanotropism, and rheotropism are studied.

Complete Record: Dewey number: 581 Audience level: jh-sh-c-adult Format/cost: 16-sl-$25; rent $2 Distributors / rental: Bell & Howell Company $2; Ohio Department of Education

Metadata Source:Educational Film Guide 1946