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Amphibians. By: Ms. Raab 3 rd Grade Science/Social Studies. Amphibians. Amphibians lead double lives – one in water and one on land. Many begin life with gills and then later develop lungs. Amphibians include frogs, toads, salamanders, and newts.

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Amphibians

By: Ms. Raab

3rd Grade

Science/Social Studies


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Amphibians

  • Amphibians lead double lives – one in water and one on land.

  • Many begin life with gills and then later develop lungs.

  • Amphibians include frogs, toads, salamanders, and newts.

  • They are cold blooded and use the environment to regulate their temperature.


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What are the four amphibians?

  • Snakes, lizards, fish, and bugs

  • Frogs, toads, salamanders, and newts

  • Dogs, cats, mice, and rabbits


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That is correct!

Frogs, toads, salamanders, and newts


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Interesting Frog Facts

  • Frogs can breathe not only with their lungs, but also through their skin.

  • A frog's skin is thin and contains many mucous glands that keep it moist.

  • Oxygen can be absorbed through this thin, damp skin.

  • Video


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Red-eyed Tree Frog

  • Live in the Rainforest

  • Scientists believe that they use their vivid red eyes to scare off predators.

  • They are not endangered but their habitat is shrinking due to the cutting down of the rainforest.


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Green-eyed Tree Frog

  • Found in the rainforests of Australia.

  • Females are larger than the males and can grow to be up to 2.8 inches.


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Blue Poison Dart Frog

  • Depending on individual habitats, which extend from the tropical forests of Costa Rica to Brazil, their coloring can be yellow, gold, copper, red, green, blue, or black.


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Dying Poison Dart Frogs

  • Scientists are unsure of the source of poison dart frogs' toxicity, but it is possible they assimilate plant poisons which are carried by their prey, including ants, termites and beetles.

  • Poison dart frogs raised in captivity and isolated from insects in their native habitat never develop venom.


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Amazon Horned Frogs

  • They are found in freshwater marshes and pools throughout the Amazon Basin, from Colombia to Brazil.

  • These rotund amphibians can grow to 8 inches in length and would cover a good-size tea saucer


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Northern Leopard Frogs

  • Once the most abundant and widespread frog species in North America, leopard frogs were widely collected not only for dissection but for the food industry (frog legs) as well.

  • Northern leopard frogs are named this because of the array of irregularly shaped dark spots that adorn their backs and legs.

Video


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Which frog is found in North America?

  • Northern leopard frog

  • Red-eyed tree frog

  • Poison dart grog


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That is correct!

Northern leopard frog


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Cane Toad

  • Cane toads are large, stocky amphibians with dry, warty skin, and are native to the southern United States, Central America, and tropical South America.

  • Cane toad venom is a mix of toxins that primarily affects the functioning of the heart of whatever eats it.


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Spotted Salamander

  • They live in forests from eastern Canada throughout the eastern and midwestern United States.

  • These secretive salamanders spend almost their entire lives hidden under rocks or logs or in the burrows of other forest animals.


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Tiger Salamander

  • They are the most wide-ranging salamander species in North America, living throughout most of the United States, southern Canada, and eastern Mexico.


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Mudpuppy

  • They can be found in southern central Canada, through the midwestern United States, east to North Carolina and south to Georgia and Mississippi.

  • They are also known as waterdogs

  • They are one of the only salamanders that make noise.


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Mexican Axolotl Salamander

  • Found exclusively in the Xochimilco lake near Mexico City, they differ from most other salamanders in that they live permanently in water

  • Has a rare trait where it stays in its larval stage even as an adult.

    • it keeps its tadpole-like dorsal fin and gills


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What is different about the Mexican axolotl salamander?

  • It is the biggest salamander.

  • It keeps its tadpole-like dorsal fin and gills.

  • It is the only salamander that makes a noise.


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That is Correct!

It keeps its tadpole-like dorsal fin and gills.


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Warty Newt

  • They live only in Europe.

  • Females, which are larger than males, can reach 7 inches in length.

  • True to its name, the warty newt has skin that is covered in small bumps.


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Objectives

  • The students will gain knowledge about most of the different kinds of amphibians.

  • The students will be able to watch videos about two different kinds of frogs.

  • The students will be able to answer questions about amphibians correctly.


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Resources

  • http://www.nationalgeographic.com/

  • http://www.clemetzoo.com/forfrogs/learn/funfacts.asp

  • http://www.fs.fed.us/r4/amphibians/frog_fact.htm

  • frogmatters.wordpress.com/2008/04/

  • www.dnr.state.wi.us/.../amphibian/leopard.htm

  • users.manchester.edu/.../Tadpoles/index.htm


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