LIFEBOATS UNDER GRAVITY DAVITS - LAUNCHING BOATS

Duration: 25 min

Year Published: 1969

Creator: National Medical Audiovisual Center (Department of Health, Education, and Welfare)

Color: B&W

Sound: Optical sound

Description: Depicts the two-year life-cycle of the Rocky Mountain wood tick. Shows the biology of the various stages-adults, eggs, larvae, and nymphs, and includes such features as adaptability to environment, host requirements, and natural controlling factors.

No holdings listed.

No related films.

Record added: 2026-07-01 03:45:53