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Cross section through water of Common frogs (Rana temporaria) mating

Pre-K - Higher Ed
Cross section through water of Common frogs (Rana temporaria) mating
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ECU Common Frog (Rana temporaria) Tadpole's mouth, England

Pre-K - Higher Ed
ECU Common Frog (Rana temporaria) Tadpole's mouth, England
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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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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...
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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...
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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...
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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...
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CU Tilt down tadpoles of Red-eyed Tree Frog (Agalychnie callidryae) moving within frogspawn on leaf, Costa Rica

Pre-K - Higher Ed
CU Tilt down tadpoles of Red-eyed Tree Frog (Agalychnie callidryae) moving within frogspawn on leaf, Costa Rica
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BCU Tadpole of Red-eyed Tree Frog (Agalychnie callidryae) within frogspawn, Costa Rica

Pre-K - Higher Ed
BCU Tadpole of Red-eyed Tree Frog (Agalychnie callidryae) within frogspawn, Costa Rica
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Frog heart

Pre-K - Higher Ed
Experiment being conducted on frog's heart.
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Frog's society

Pre-K - Higher Ed
Some male toads on each other trying to climb the white plastic out of the bucket. Crawling one after the other, compete with each other, which will climb out first.
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Green frog`s lunch

Pre-K - Higher Ed
Green frog`s lunch
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Green tree frog

Pre-K - Higher Ed
The frog is medium-sized, up to 6 cm (2.5 inches). Their bodies are usually colored green with shades ranging from bright yellowish olive to lime green.
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Amazon Leaf Frog (Agalychnis hulli) on a leaf above a rainforest stream, blinks eyes

Pre-K - Higher Ed
Amazon Leaf Frog (Agalychnis hulli) on a leaf above a rainforest stream, blinks eyes
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Frog in pond

Pre-K - Higher Ed
Frog in pond
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Frog in pond

Pre-K - Higher Ed
Frog in pond
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Small frog and pitcher plants

Pre-K - Higher Ed
Small frog and pitcher plants
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Common frog

Pre-K - Higher Ed
Common frog
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Hyla meridionalis jumping

Pre-K - Higher Ed
Hyla meridionalis frog jumping on a leaf
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Frog

Pre-K - Higher Ed
Frog
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Green frog on my skin

Pre-K - Higher Ed
Tiny tree frog on an arm skin