Episode of Series “Inhabitants of the Planet Earth”.
A small anaesthetised earthworm is shown dissected, featuring the pumping heart. Shows peristaltic contractions which mix the food and send it along the intestinal tract. Undigested “castings” are expelled and their importance in soil ecology is discussed.
How to watch
In ACMI's collection
Childrens Films → Children 12+
Climate, Environment, Natural Resources & Disasters → Natural history
Climate, Environment, Natural Resources & Disasters → Soil ecology
Educational & Instructional → Instructional
16mm film; Access Print (Section 1)