51³Ô¹ÏÍø

Evolution of Vascular Plants: The Ferns - part 13 of 28. Describes the evolution of vascular systems in land plants. The highly specialized structures that occur in vascular plants are shown through investigation of the fern. Explains the adaptive advanta - 4K stock video

1960s: holly fern growing near water. Lower margin of fern leaf and small rows of sori. Spore containing capsules on fern plant. Close up view of sporophyte. Close up of sporangia. Spore ejection
1960s: holly fern growing near water. Lower margin of fern leaf and small rows of sori. Spore containing capsules on fern plant. Close up view of sporophyte. Close up of sporangia. Spore ejection
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Credit:
Encyclopaedia Britannica Films
51³Ô¹ÏÍø #:
1439018743
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Rights-ready
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Archive Films: 51³Ô¹ÏÍø
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00:00:37:10
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