Reptiles And Amphibians

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Interduction to Frogs

     Frogs are amphibians (am-phib-E-ins). Amphibians are animals that spend half of their life in water and half on land. Read more about amphibians in the amphibian tab at the left. Read about what frogs eat,their life cycle, and much more in the paragraphs below.

Life cycle of a Frog

     A frogs life cycle starts with the adult frog laying a mass of 40-75 eggs in or near water. The eggs have a protective jellylike coating. When the eggs are ready to hatch,little larve called tadpoles pop out. They have feathery gills on their neck which allows them to breathe underwater. The tadpoles then start to grow legs and the tail gets shorter. Their gills disapeer, so they will have to come up to the surface for oxegen exchange. These little guys will soon grow arms, and turn into a miniture version of their parents. They will be able to hop up on land, and breathe through their skin. Finally, their tail completly comes off, and now its an adult frog!

What Wild Tadpoles and Frogs Eat

     Wild tadpoles mostly feed on masquito larve, and vary small waterbugs. But what about frogs? They feed mostly on waterbugs, flies, some worms, and other types of insects.

SCIENCE EXPERIMENT-TADPOLES

     Are you looking for something to do? Because theres going to be an experiment envolved in this paragraph! You can do it by yourself, or you can have a friend help you. You will need: 1) 5-10 gal. aquarium 2) Aquarium gravel 3) 1 gal. distilled water 4) fishing net 5) small aquarium net 6) magnifing glass 7) science notebook 8) 1 large rock

     First, put the aquarium gravel in a slope that goes into the water and put the rock in the water. The water should be at least 2'' deep and the rock should be tall enough so that it is even with the water level. Now you are ready to collect some eggs! Now go find a mass of eggs. You can find frog eggs in swampy areas, and they like dirty water too, so check by muddy ponds. Once you find a mass of eggs, you can scoop it up with your net. For a 5 gal. aquarium, use a mass of about 20 eggs, since not all of them will suvive. For a 10 gal. aquarium you can use up to 30 eggs. Place your eggs carfully into the aquarium. Use your small aquarium net to seperate a couple of eggs and observe them carfully with your magnifing glass. Record this in your science notebook. Put the eggs back into the aquarium carfully. Come back once daily to record their growth. Soon, the eggs will turn into tadpoles. Now of corse, they're going to be hungry. So take some lettuce and shread it up into tiny pieces. Next put it in some water in a pot. Then boil the water for a minute. Then take the pot and pour it through a strainer so you have just the lettuce. Set it on the counter and let it cool. Then take some of the lettuce and put it in with the tadpoles. Record how tadpoles eat cooled, boiled lettuce in your science notebook. Once they are fully grown, you can turn them loose back in the creek tou found them in. If you are like me, and get attached to them and wish to keep them, then an outdoor pond is ideal. They will usally stay in the pond if they are not constantly bothered.

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