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Frog heart

Pre-K - Higher Ed
Frog heart dissected open to conduct some experiment on circulatory system.
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Caenorhabditis elegans nematode feeding on E.coli bacteria, with eggs

Pre-K - Higher Ed
Caenorhabditis elegans nematode feeding on E.coli bacteria, with eggs
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Mudskipper blowing bubbles

Pre-K - Higher Ed
Mudskipper fish breathing air, Prehistoric fish capable of breathing air
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Common Frog (Rana temporaria) tadpole

Pre-K - Higher Ed
Common Frog (Rana temporaria) tadpole
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Micro organism: Stentor coeruleus

Pre-K - Higher Ed
Micro organism: Stentor coeruleus
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Frog heart

Pre-K - Higher Ed
Students conducting experiment on a frog's heart to study circulatory system.
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Arabian picasso triggerfish (Rhinecanthus assassi) fanning and guarding its transparent egg mass. Filmed in Abu Nuhas, Red Sea

Pre-K - Higher Ed
Arabian picasso triggerfish (Rhinecanthus assassi) fanning and guarding its transparent egg mass. Filmed in Abu Nuhas, Red Sea
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Glass frog larvae (tadpoles) developing in their eggs, eight days after being laid.

Pre-K - Higher Ed
Glass frogs (family Centrolenidae) inhabit moist tropical forests in Central and northern South America. They typically lay their eggs on a leaf above water, so that the tadpoles fall into the water as soon as they hatch. They take their...
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Close-up of two glass frog larvae (tadpoles) developing in their eggs, ten days after being laid.

Pre-K - Higher Ed
Their hearts are seen beating beneath their skin, with the main blood vessel running towards its tail. Dark areas of pigment are also seen. Glass frogs (family Centrolenidae) inhabit moist tropical forests in Central and northern South...
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Close-up of a glass frog larva (tadpole) developing in its egg, eight days after being laid.

Pre-K - Higher Ed
The glass frog is so named due to its translucent skin, through which internal organs can be seen. Its heart is seen beating beneath its skin, and blood cells are seen moving in the large vessel in its chest. Dark areas of pigment are...
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Arabian picasso triggerfish (Rhinecanthus assassi) fanning and guarding its transparent egg mass. Filmed in Abu Nuhas, Red Sea

Pre-K - Higher Ed
Arabian picasso triggerfish (Rhinecanthus assassi) fanning and guarding its transparent egg mass. Filmed in Abu Nuhas, Red Sea
Stock Footage0:14
Getty Images

Glass frog larvae (tadpoles) developing in their eggs, ten days after being laid.

Pre-K - Higher Ed
Glass frogs (family Centrolenidae) inhabit moist tropical forests in Central and northern South America. They typically lay their eggs on a leaf above water, so that the tadpoles fall into the water as soon as they hatch. They take their...
Stock Footage0:11
Getty Images

Glass frog larvae (tadpoles) developing in their eggs, sixteen days after being laid.

Pre-K - Higher Ed
Glass frogs (family Centrolenidae) inhabit moist tropical forests in Central and northern South America. They typically lay their eggs on a leaf above water, so that the tadpoles fall into the water as soon as they hatch. They take their...
Stock Footage0:45
Getty Images

Arabian picasso triggerfish (Rhinecanthus assassi) fanning and guarding its transparent egg mass. Filmed in Abu Nuhas, Red Sea

Pre-K - Higher Ed
Arabian picasso triggerfish (Rhinecanthus assassi) fanning and guarding its transparent egg mass. Filmed in Abu Nuhas, Red Sea
Stock Footage0:20
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Two glass frog larvae (tadpoles) developing in their eggs, five days after being laid.

Pre-K - Higher Ed
Glass frogs (family Centrolenidae) inhabit moist tropical forests in Central and northern South America. They typically lay their eggs on a leaf above water, so that the tadpoles fall into the water as soon as they hatch. Filmed in the...
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Glass frog larvae (tadpoles) developing in their eggs, six days after being laid.

Pre-K - Higher Ed
Glass frogs (family Centrolenidae) inhabit moist tropical forests in Central and northern South America. They typically lay their eggs on a leaf above water, so that the tadpoles fall into the water as soon as they hatch. Filmed in the...
Stock Footage0:10
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Close-up of a glass frog larva (tadpole) developing in its egg, seven days after being laid.

Pre-K - Higher Ed
The glass frog is so named due to its translucent skin, through which internal organs can be seen. Its heart is seen beating beneath its skin, and blood cells are seen moving through the prominent vessels. Glass frogs lay their eggs on...
Stock Footage0:19
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Arabian picasso triggerfish (Rhinecanthus assassi) fanning and guarding its transparent egg mass. Filmed in Abu Nuhas, Red Sea

Pre-K - Higher Ed
Arabian picasso triggerfish (Rhinecanthus assassi) fanning and guarding its transparent egg mass. Filmed in Abu Nuhas, Red Sea
Stock Footage0:18
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Caenorhabditis elegans (C.elegans) feeding on bacteria (E.coli OP50), visible in water film next to body. Olympus BH-2 40x S-Plan objective, 2.5x NFK photoeyepiece, no condenser. Sony PMW-EX3 FullHD video camera.

Pre-K - Higher Ed
Caenorhabditis elegans (C.elegans) feeding on bacteria (E.coli OP50), visible in water film next to body. Olympus BH-2 40x S-Plan objective, 2.5x NFK photoeyepiece, no condenser. Sony PMW-EX3 FullHD video camera.
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Caenorhabditis elegans (C.elegans) with pin head for scale. T/L 1 frame per second. 55mm micro nikkor lens

Pre-K - Higher Ed
Caenorhabditis elegans (C.elegans) with pin head for scale. T/L 1 frame per second. 55mm micro nikkor lens
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Caenorhabditis elegans (C.elegans) feeding on bacteria (E.coli OP50), visible in water film next to body. Olympus BH-2 40x S-Plan objective, 2.5x NFK photoeyepiece, no condenser. Sony PMW-EX3 FullHD video camera.

Pre-K - Higher Ed
Caenorhabditis elegans (C.elegans) feeding on bacteria (E.coli OP50), visible in water film next to body. Olympus BH-2 40x S-Plan objective, 2.5x NFK photoeyepiece, no condenser. Sony PMW-EX3 FullHD video camera.
Stock Footage0:10
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Frog heart

Pre-K - Higher Ed
Experiment being conducted on frog's heart.
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Caenorhabditis elegans (C.elegans) feeding on bacteria (E.coli OP50), visible in water film next to body. Olympus BH-2 40x S-Plan objective, 2.5x NFK photoeyepiece, no condenser. Sony PMW-EX3 FullHD video camera.

Pre-K - Higher Ed
Caenorhabditis elegans (C.elegans) feeding on bacteria (E.coli OP50), visible in water film next to body. Olympus BH-2 40x S-Plan objective, 2.5x NFK photoeyepiece, no condenser. Sony PMW-EX3 FullHD video camera.
Stock Footage0:21
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A researcher with gloved hands uses a ruler to measure a dead rat.

Pre-K - Higher Ed
A researcher with gloved hands uses a ruler to measure a dead rat.