9,571 Biologist Stock Videos, 4K Footage and Video Clips

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Browse 9,571 authentic biologist stock videos, stock footage and video clips available in a variety of formats and sizes to fit your needs, or explore marine biologist or wildlife biologist stock videos to discover the perfect clip for your project.

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evolution of vascular plants: the ferns - part 1 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 advantag - biologist stock videos & royalty-free footage
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Evolution of Vascular Plants: The Ferns - part 1 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 advantag
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photosynthesis (3rd edition) - part 26 of 35. a fascinating look at a process that is one of the key energy producers for all life - and the current research being done to expand its potential use. the film examines chemical changes and structures involve - biologist stock videos & royalty-free footage
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Photosynthesis (3rd edition) - part 26 of 35. A fascinating look at a process that is one of the key energy producers for all life - and the current research being done to expand its potential use. The film examines chemical changes and structures involve
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the drug problem: what do you think? - part 10 of 27. society's most popular drug is examined from three perspectives: part 1 reveals the social aspects of drinking, reviews the history of alcohol usage, and dramatizes the economic importance of the alcoh - biologist stock videos & royalty-free footage
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The Drug Problem: What Do You Think? - part 10 of 27. Society's most popular drug is examined from three perspectives: Part 1 reveals the social aspects of drinking, reviews the history of alcohol usage, and dramatizes the economic importance of the alcoh
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plankton and the open sea - part 19 of 32. demonstrates the importance of the minute plankton organisms to marine food chains. typical forms of plankton are shown. photomicrography and laboratory experiments show how plankton are studied at sea, in floati - biologist stock videos & royalty-free footage
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Plankton and the Open Sea - part 19 of 32. Demonstrates the importance of the minute plankton organisms to marine food chains. Typical forms of plankton are shown. Photomicrography and laboratory experiments show how plankton are studied at sea, in floati
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