The Life History of the Onion
The Life History of the Onion su Tantifilm e CB01. The film shows speeded-up germination of the seed to form roots and shoot, at whose base the leaves later form a bulb. The flower produces pollen grains (shown much magnified), which are transferred by insects to the stigmas for fertilization of seeds inside the ovary.
- Genere: Documentario
- Paese: United Kingdom
- Direttore: Mary Field
- Attori: