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Life Cycles of Frogs

Life Cycles of Frogs. What is a Frog?. A frog is an Amphibian. Amphibian means “double life.” They live the first part of its life in water. They live the last part of its life on land. http://www.sspictures.fsnet.co.uk/gindg.htm. What is a Life Cycle?.

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Life Cycles of Frogs

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  1. Life Cycles of Frogs

  2. What is a Frog? • A frog is an Amphibian. • Amphibian means “double life.” • They live the first part of its life in water. • They live the last part of its life on land. http://www.sspictures.fsnet.co.uk/gindg.htm

  3. What is a Life Cycle? • A life cycle is a set of changes animals go through as they grow. http://www.enchantedlearning.com

  4. First Stage: Eggs. • Frog eggs look like tiny clear blobs with black centers. • The clear jelly is the shell of the egg. • It protects the tiny frog and keeps it warm. http://www.cuttingedgeherp.com

  5. Second Stage: Tadpoles • Tadpoles have a head and tail. • Like fish, tadpoles have gills for breathing underwater. • Tadpoles eat plants. They are herbivores. • As it changes, the tadpole grows back legs, then front legs. • Then it’s tail shrinks. • It looses its gills and lungs grow. http://www.wildlifetrust.org.uk

  6. Third Stage: Froglets • Froglets look like small adults with a small tail. • Froglets begin to leave the water and go on land. • Froglets begin to eat insects. • Froglets are now carnivores. http://ourworld.com

  7. Fourth Stage: Frog • A frog is full grown when it does not have a tail. • Frogs can have babies. • The life cycle continues. http://images.usatoday.com

  8. Comprehension Questions What does Amphibian mean? What is a Life Cycle? What do frog eggs look like? How do Tadpoles breath? What do Froglets eat? When is a frog full grown? http://www.hotkey.net. http://wtv-zone.com/coplove/Nature/lfrog.gif

  9. Work Cited http://www.cde.ca.gov/be/st/ss/scgrade2.asp Textbook: Discovery Works, Houghton Mifflin Kalman, Bobbie,2002, The Life Cycle of a Frog, Cabtree:New York,NY

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