128 AMPHIBIANS 



See how many kinds of amphibian eggs you can find. 

 How long do tadpoles live before they become frogs ? 

 What do frogs and toads eat? 



What is fertilization? Metamorphosis? Evolution? Heredity? 

 Environment ? 



REFERENCES 



Dickerson, The Frog Book. 

 Hodge, Nature Study and Life. 

 Holmes, Biology of the Frog. 

 Marshall, The Frog. 

 Morgan, Embryology of the Frog. 



