Sea Urchins
6.4
A close-up look at sand urchins and rock urchins. At the seashore, a man digs up a sand urchin. We look closely. He sets it back in the sand, and it burrows out of sight. Its intestines take nutrients out of sand. Using magnification 200,000 times normal size, we see a rock urchin's spines with suckers on the end; a drawing illustrates how they work. A sea urchin walks toward a rock. We see three-fingered jaws—pedicellaria at the end of flexible stems—take in algae and other bits. We also see cilia less than 0.001 ml in length; their motion constant, creating whirlpools. On the shore again, we watch the setting sun. Occasional titles in French tell us what to watch for.
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Jean Painlevé Director
First release January 1, 1929 · Produced in France · Original title Les oursins
Production
Films Diamant
Production
France
Produced in
Languages
Original title
Les oursins
Original language
French
Spoken on screen
French
Release dates
France · January 1, 1929
Theatrical
No release date listed for United States.
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