Tìm Phim
Phim lẻ / The Life History of the Onion (1943)
The Life History of the Onion
Documentary

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.

en
1943-01-25
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