Life Cycle of Frogs - PowerPoint PPT Presentation

elie
life cycle of frogs n.
Skip this Video
Loading SlideShow in 5 Seconds..
Life Cycle of Frogs PowerPoint Presentation
Download Presentation
Life Cycle of Frogs

play fullscreen
1 / 8
Download Presentation
Life Cycle of Frogs
203 Views
Download Presentation

Life Cycle of Frogs

- - - - - - - - - - - - - - - - - - - - - - - - - - - E N D - - - - - - - - - - - - - - - - - - - - - - - - - - -
Presentation Transcript

  1. Life Cycle of Frogs Dana Eisenbeil & Bomi Son Second Grade Science

  2. What is a frog? • Frogs are amphibians • Cold blooded animals • Gills to lungs • Metamorphism • Life Cycle of Frogs • Egg • Tadpole • Tadpole with legs • Froglet • Frog

  3. First Stage: Egg • A frog lays her eggs in the water or a wet environment • Eggs attach to leaf or stem • Eggs split to form more eggs • Eggs collect to form frog spawn Photo Source: http://www.packerlighting.com/CR_WEB/

  4. Second Stage: Tadpole • Tadpoles come from hatched eggs • Tadpoles have gills • Tadpoles have NO legs • Tadpoles use their tails to swim about their environment Photo Source: http://bookbuilder.cast.org/view_print.php?book=35218

  5. Third Stage: Tadpole with Legs • During this stage, tadpole matures and develops • Forms front and back legs • Tail is still intact to assist in swimming • LUNGS begin to develop Photo Source: http://exoticpets.about.com/od/frogsandtoads/ig/Tadpole-Development-photos/Tadpole-to-Frog-Metamorphosis-.--9l.htm

  6. Fourth Stage: Froglet • Froglets legs and arms are more defined • Tail is smaller • Transition from water to land • Froglet explores dry land • Froglet is dependent on oxygen to live and breathe • Lungs are fully developed Photo Source: http://www.flickr.com/photos/vanja-gavric/2892988684/

  7. Fifth Stage: Frog • Webbed fingers and toes • Makes moving on land and in water easy • Sticky tongue for catching food • Full grown adult frog Photo Source: http://yoga108.org/blog/posts/414-rainforest-frog

  8. The CyclePicture Source: www.frog-life-cycle.comPhoto Source: http://www.frog-life-cycle.com/