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Frog.gif (5315 bytes)   Reading Study Guide Chapter 11 Fish, Amphibians, and Reptiles
11-3 Amphibians (pp.382-386)
    Last Updated 1/1/2008

What is an Amphibian (p.382-383)

p.382

What is an amphibian? (list three characteristics)
1.__________________________________________________________________
2.__________________________________________________________________
3.__________________________________________________________________

4. What does amphibian mean? ___________________________________________

SciAmphiniansSalamander (74454 bytes)
p.383

5-6. Name the two major groups of amphibians.   _______________  _______________



SciAmphibiansFrogEggs.bmp (108054 bytes)
Circle the correct answer.  (Only choose one!!)

7. DOES keep its tail in adulthood.         Frogs & Toad         Salamanders

8. DOES NOT keep its tail in adulthood.   Frogs & Toad        Salamanders

9. Fertilizes eggs internally.                      Frogs & Toad        Salamanders

10. Fertilizes eggs externally.                    Frogs & Toad        Salamanders


11. The larva of a frog or a toad is called a(n) ______________________.


Living on Land (p.384-386)

SciAmphibiansTadpole.bmp (77454 bytes)
p.384

12. Name the organ that allow tadpoles to breathe in water. _________________

13. Name the organ that allows frogs and toads to breathe on land. _________________

14. A tadpole's heart has ______ chambers.

15. Adult amphibian hearts have  ______ chambers

p.385

16. What do tadpoles eat? ________________________

17. What do frogs and toads eat? ________________________

18. What do salamanders eat? ________________________

19. How do frogs and toads hunt? ________________________________________________

20. How do salamanders hunt? _______________________________________________


True or False

21. __________ Amphibians have a backbone.

22.__________ Salamanders can leap.

23. __________ A frog needs powerful front-leg muscles for leaping.

p.386

24. What is an animal's habitat? __________________________________________
   __________________________________________________________________

Name TWO reasons amphibian population is decreasing.

25.   _______________________________________________________________

26.   _______________________________________________________________

On Line Extra Credit: Frog Metamorphosis
Go to www.PHSchool.com
On left side type in web code:  ced 2033

 

 

 

 

 

 

 

 

 

 

 

 

 

 

SciAmphibianFrogTail.bmp (106854 bytes)

7.

 SciAmphibianAdultFrog.bmp (90654 bytes)

8.

 SciAmphibiansFrogEggs.bmp (108054 bytes)

1.
SciAmphibianTadpole4Legs.bmp (42054 bytes)

6.

FROG
METAMORPHOSIS

SciAmphibianFrogEggFertilized.bmp (119454 bytes)

2.
SciAmphibianTadpoleHindLegs.bmp (54054 bytes)

5.

SciAmphibianTadpoleGills.bmp (21254 bytes)

4.


SciAmphibianTadpoleNoLegs.bmp (33306 bytes)



3.

Tell what is happening at each step of the frog's metamorphosis.

1. ________________________________________________________________
2. ________________________________________________________________
3. ________________________________________________________________
4. ________________________________________________________________
5. ________________________________________________________________
6. ________________________________________________________________
7. ________________________________________________________________
8. ________________________________________________________________