51³Ô¹ÏÍø

Gymnosperms - part 9 of 29. Demonstrates that gymnosperms are seed plants which bear their seeds on cones. Animation and time-lapse sequence trace the life cycle of the pine through the growth of the pollen and seed cones, pollination, fertilization, and - 4K stock video

1960s: Pine cone pollen sac cellular illustration. Mother cell animating, separating into microspores. Pollen grain illustration. Wooden stick picking at mature pollen cones
1960s: Pine cone pollen sac cellular illustration. Mother cell animating, separating into microspores. Pollen grain illustration. Wooden stick picking at mature pollen cones
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Credit:
Encyclopaedia Britannica Films
51³Ô¹ÏÍø #:
1458083474
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Rights-ready
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Archive Films: 51³Ô¹ÏÍø
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3840 x 2160 px - 3 GB
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00:00:32:10
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United States
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Editorial use
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Not released
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QuickTime 10-bit ProRes 422 (HQ) 4K 3840x2160 24p
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