51³Ô¹ÏÍø

Evolution of Vascular Plants: The Ferns - part 16 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: microscopic view of antheridia on fern. Microscopic view of sperm leaving male sex organ on fern. Flagella on plant sperm. Microscopic view of archegonium and sperm
1960s: microscopic view of antheridia on fern. Microscopic view of sperm leaving male sex organ on fern. Flagella on plant sperm. Microscopic view of archegonium and sperm
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51³Ô¹ÏÍø #:
1439019843
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Rights-ready
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Archive Films: 51³Ô¹ÏÍø
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00:00:34:10
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