Nutrient Cycle Diagram Stock Videos

Browse 31 nutrient cycle diagram videos and clips available to use in your projects, or start a new search to explore more footage and b-roll video clips.

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learning about leaves - part 13 of 20. identifies pine needles, vegetable leaves, blades of grass, and many deciduous leaves. demonstrates how leaves synthesize sugar - the basic food of animals - and illustrates the life cycle of leaves - nutrient cycle diagram stock videos & royalty-free footage
00:29
Learning About Leaves - part 13 of 20. Identifies pine needles, vegetable leaves, blades of grass, and many deciduous leaves. Demonstrates how leaves synthesize sugar - the basic food of animals - and illustrates the life cycle of leaves
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learning about leaves - part 12 of 20. identifies pine needles, vegetable leaves, blades of grass, and many deciduous leaves. demonstrates how leaves synthesize sugar - the basic food of animals - and illustrates the life cycle of leaves - nutrient cycle diagram stock videos & royalty-free footage
00:30
Learning About Leaves - part 12 of 20. Identifies pine needles, vegetable leaves, blades of grass, and many deciduous leaves. Demonstrates how leaves synthesize sugar - the basic food of animals - and illustrates the life cycle of leaves
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learning about leaves - part 11 of 20. identifies pine needles, vegetable leaves, blades of grass, and many deciduous leaves. demonstrates how leaves synthesize sugar - the basic food of animals - and illustrates the life cycle of leaves - nutrient cycle diagram stock videos & royalty-free footage
00:33
Learning About Leaves - part 11 of 20. Identifies pine needles, vegetable leaves, blades of grass, and many deciduous leaves. Demonstrates how leaves synthesize sugar - the basic food of animals - and illustrates the life cycle of leaves
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learning about leaves - part 10 of 20. identifies pine needles, vegetable leaves, blades of grass, and many deciduous leaves. demonstrates how leaves synthesize sugar - the basic food of animals - and illustrates the life cycle of leaves - nutrient cycle diagram stock videos & royalty-free footage
00:29
Learning About Leaves - part 10 of 20. Identifies pine needles, vegetable leaves, blades of grass, and many deciduous leaves. Demonstrates how leaves synthesize sugar - the basic food of animals - and illustrates the life cycle of leaves
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learning about leaves - part 9 of 20. identifies pine needles, vegetable leaves, blades of grass, and many deciduous leaves. demonstrates how leaves synthesize sugar - the basic food of animals - and illustrates the life cycle of leaves - nutrient cycle diagram stock videos & royalty-free footage
00:33
Learning About Leaves - part 9 of 20. Identifies pine needles, vegetable leaves, blades of grass, and many deciduous leaves. Demonstrates how leaves synthesize sugar - the basic food of animals - and illustrates the life cycle of leaves
Archival, Learning
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the salt marsh: a question of values - part 31 of 39. for his own survival man has to recognize the limits of his exploitation of natural systems. this film documents the value of the biological communities that exist between sea and land. the importance - nutrient cycle diagram stock videos & royalty-free footage
00:30
The Salt Marsh: A Question of Values - part 31 of 39. For his own survival man has to recognize the limits of his exploitation of natural systems. This film documents the value of the biological communities that exist between sea and land. The importance
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the salt marsh: a question of values - part 30 of 39. for his own survival man has to recognize the limits of his exploitation of natural systems. this film documents the value of the biological communities that exist between sea and land. the importance - nutrient cycle diagram stock videos & royalty-free footage
00:30
The Salt Marsh: A Question of Values - part 30 of 39. For his own survival man has to recognize the limits of his exploitation of natural systems. This film documents the value of the biological communities that exist between sea and land. The importance
Environmental Conservation
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the salt marsh: a question of values - part 29 of 39. for his own survival man has to recognize the limits of his exploitation of natural systems. this film documents the value of the biological communities that exist between sea and land. the importance - nutrient cycle diagram stock videos & royalty-free footage
00:35
The Salt Marsh: A Question of Values - part 29 of 39. For his own survival man has to recognize the limits of his exploitation of natural systems. This film documents the value of the biological communities that exist between sea and land. The importance
Gill
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the salt marsh: a question of values - part 28 of 39. for his own survival man has to recognize the limits of his exploitation of natural systems. this film documents the value of the biological communities that exist between sea and land. the importance - nutrient cycle diagram stock videos & royalty-free footage
00:30
The Salt Marsh: A Question of Values - part 28 of 39. For his own survival man has to recognize the limits of his exploitation of natural systems. This film documents the value of the biological communities that exist between sea and land. The importance
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amphibian embryo (frog, toad, and salamander) - part 15 of 28. combining time-lapse and microphotography with animated cross-section diagrams, the film illustrates the developmental processes by which a single-celled amphibian egg is transformed into a ma - nutrient cycle diagram stock videos & royalty-free footage
00:32
Amphibian Embryo (Frog, Toad, and Salamander) - part 15 of 28. Combining time-lapse and microphotography with animated cross-section diagrams, the film illustrates the developmental processes by which a single-celled amphibian egg is transformed into a ma
Human Nervous System
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amphibian embryo (frog, toad, and salamander) - part 14 of 28. combining time-lapse and microphotography with animated cross-section diagrams, the film illustrates the developmental processes by which a single-celled amphibian egg is transformed into a ma - nutrient cycle diagram stock videos & royalty-free footage
00:30
Amphibian Embryo (Frog, Toad, and Salamander) - part 14 of 28. Combining time-lapse and microphotography with animated cross-section diagrams, the film illustrates the developmental processes by which a single-celled amphibian egg is transformed into a ma
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amphibian embryo (frog, toad, and salamander) - part 13 of 28. combining time-lapse and microphotography with animated cross-section diagrams, the film illustrates the developmental processes by which a single-celled amphibian egg is transformed into a ma - nutrient cycle diagram stock videos & royalty-free footage
00:35
Amphibian Embryo (Frog, Toad, and Salamander) - part 13 of 28. Combining time-lapse and microphotography with animated cross-section diagrams, the film illustrates the developmental processes by which a single-celled amphibian egg is transformed into a ma
Human Nervous System
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amphibian embryo (frog, toad, and salamander) - part 12 of 28. combining time-lapse and microphotography with animated cross-section diagrams, the film illustrates the developmental processes by which a single-celled amphibian egg is transformed into a ma - nutrient cycle diagram stock videos & royalty-free footage
00:33
Amphibian Embryo (Frog, Toad, and Salamander) - part 12 of 28. Combining time-lapse and microphotography with animated cross-section diagrams, the film illustrates the developmental processes by which a single-celled amphibian egg is transformed into a ma
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amphibian embryo (frog, toad, and salamander) - part 11 of 28. combining time-lapse and microphotography with animated cross-section diagrams, the film illustrates the developmental processes by which a single-celled amphibian egg is transformed into a ma - nutrient cycle diagram stock videos & royalty-free footage
00:35
Amphibian Embryo (Frog, Toad, and Salamander) - part 11 of 28. Combining time-lapse and microphotography with animated cross-section diagrams, the film illustrates the developmental processes by which a single-celled amphibian egg is transformed into a ma
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amphibian embryo (frog, toad, and salamander) - part 9 of 28. combining time-lapse and microphotography with animated cross-section diagrams, the film illustrates the developmental processes by which a single-celled amphibian egg is transformed into a man - nutrient cycle diagram stock videos & royalty-free footage
00:32
Amphibian Embryo (Frog, Toad, and Salamander) - part 9 of 28. Combining time-lapse and microphotography with animated cross-section diagrams, the film illustrates the developmental processes by which a single-celled amphibian egg is transformed into a man
Frog
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amphibian embryo (frog, toad, and salamander) - part 8 of 28. combining time-lapse and microphotography with animated cross-section diagrams, the film illustrates the developmental processes by which a single-celled amphibian egg is transformed into a man - nutrient cycle diagram stock videos & royalty-free footage
00:34
Amphibian Embryo (Frog, Toad, and Salamander) - part 8 of 28. Combining time-lapse and microphotography with animated cross-section diagrams, the film illustrates the developmental processes by which a single-celled amphibian egg is transformed into a man
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amphibian embryo (frog, toad, and salamander) - part 5 of 28. combining time-lapse and microphotography with animated cross-section diagrams, the film illustrates the developmental processes by which a single-celled amphibian egg is transformed into a man - nutrient cycle diagram stock videos & royalty-free footage
00:25
Amphibian Embryo (Frog, Toad, and Salamander) - part 5 of 28. Combining time-lapse and microphotography with animated cross-section diagrams, the film illustrates the developmental processes by which a single-celled amphibian egg is transformed into a man
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amphibian embryo (frog, toad, and salamander) - part 4 of 28. combining time-lapse and microphotography with animated cross-section diagrams, the film illustrates the developmental processes by which a single-celled amphibian egg is transformed into a man - nutrient cycle diagram stock videos & royalty-free footage
00:34
Amphibian Embryo (Frog, Toad, and Salamander) - part 4 of 28. Combining time-lapse and microphotography with animated cross-section diagrams, the film illustrates the developmental processes by which a single-celled amphibian egg is transformed into a man
Egg - Food