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Single Human sperm swimming, Phase contrast

Pre-K - Higher Ed
Single Human sperm swimming, Phase contrast
Stock Footage0:09
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Single Human sperm swimming, Phase contrast

Pre-K - Higher Ed
Single Human sperm swimming, Phase contrast
Stock Footage0:46
Getty Images

Single Human sperm swimming, Phase contrast

Pre-K - Higher Ed
Single Human sperm swimming, Phase contrast
Stock Footage0:24
Getty Images

Single Human sperm swimming, best, wow shot, Phase contrast

Pre-K - Higher Ed
Single Human sperm swimming, best, wow shot, Phase contrast
Stock Footage0:04
Getty Images

Single Human sperm swimming, Phase contrast

Pre-K - Higher Ed
Single Human sperm swimming, Phase contrast
Stock Footage0:11
Getty Images

Single Human sperm swimming, best, Phase contrast

Pre-K - Higher Ed
Single Human sperm swimming, best, Phase contrast
Stock Footage0:21
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Single Human sperm swimming, Interference contrast

Pre-K - Higher Ed
Single Human sperm swimming, Interference contrast
Stock Footage0:05
Getty Images

Single Human sperm swimming, Phase contrast

Pre-K - Higher Ed
Single Human sperm swimming, Phase contrast
Stock Footage0:08
Getty Images

Single Human sperm swimming, Interference contrast

Pre-K - Higher Ed
Single Human sperm swimming, Interference contrast
Stock Footage0:30
Getty Images

Monarch Butterfly

Pre-K - Higher Ed
Close up - Monarch Butterfly on a flower (HD.)
Stock Footage0:12
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Single Human sperm swimming, Phase contrast

Pre-K - Higher Ed
Single Human sperm swimming, Phase contrast
Stock Footage0:26
Getty Images

Single Human sperm swimming, Phase contrast

Pre-K - Higher Ed
Single Human sperm swimming, Phase contrast
Stock Footage0:10
Getty Images

Single Human sperm swimming, best, Phase contrast

Pre-K - Higher Ed
Single Human sperm swimming, best, Phase contrast
Stock Footage0:26
Getty Images

Single Human sperm swimming, noisy background, Phase contrast

Pre-K - Higher Ed
Single Human sperm swimming, noisy background, Phase contrast
Stock Footage0:13
Getty Images

Human sperm, single sperm swimming

Pre-K - Higher Ed
Human sperm, single sperm swimming
Stock Footage0:08
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WS, POV, nomadic people walking with herd of sheep on rural road

Pre-K - Higher Ed
WS, POV, nomadic people walking with herd of sheep on rural road
Stock Footage0:11
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Single Human sperm swimming, Phase contrast

Pre-K - Higher Ed
Single Human sperm swimming, Phase contrast
Stock Footage0:06
Getty Images

Single Human sperm swimming, close up, Phase contrast

Pre-K - Higher Ed
Single Human sperm swimming, close up, Phase contrast
Stock Footage0:10
Getty Images

Ants tending a group of treehoppers

Pre-K - Higher Ed
- On a plant stem in the Ecuadorian Amazon. The leafhoppers provide honeydew for the ants which in turn protect both the leafhoppers and the plant. An example of symbiosis.
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Group of red and black treehoppers on the underside of a rainforest leaf in Ecuador

Pre-K - Higher Ed
- An example of symbiosis: The treehoppers provide honeydew for the ants which in turn protect the treehoppers and the plant.
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Foraging Manta Ray ram feeding on Maldives

Pre-K - Higher Ed
Foraging Manta Ray ram feeding on Maldives, swimming against the tidal current with its mouth open and sieving zooplankton from the water.
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Mating glass frogs (family Centrolenidae) in the characteristic amplexus position, with the male grasping the female from behind.

Pre-K - Higher Ed
Glass frogs are named for their translucent skin, which allows internal structures to be seen. Glass frogs live in the moist tropical forests of Central and northern South America. Filmed in the Ecuadorian Amazon rainforest
Stock Footage0:14
Getty Images

Mating glass frogs (family Centrolenidae) in the characteristic amplexus position, with the male grasping the female from behind.

Pre-K - Higher Ed
Glass frogs are named for their translucent skin, which allows internal structures to be seen. Glass frogs live in the moist tropical forests of Central and northern South America. Filmed in the Ecuadorian Amazon rainforest
Stock Footage0:11
Getty Images

Mating glass frogs (family Centrolenidae) in the characteristic amplexus position, with the male grasping the female from behind.

Pre-K - Higher Ed
Glass frogs are named for their translucent skin, which allows internal structures to be seen. Glass frogs live in the moist tropical forests of Central and northern South America. Filmed in the Ecuadorian Amazon rainforest