51³Ô¹ÏÍø

Gymnosperms - part 22 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: Pen pointing to interior cross section of zamia cone. Ephedra plant growing out from rocks. Ephedra stem. Ginkgo tree
1960s: Pen pointing to interior cross section of zamia cone. Ephedra plant growing out from rocks. Ephedra stem. Ginkgo tree
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Credit:
Encyclopaedia Britannica Films
51³Ô¹ÏÍø #:
1458080629
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Rights-ready
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Archive Films: 51³Ô¹ÏÍø
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3840 x 2160 px - 2 GB
Clip length:
00:00:31:16
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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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