Name: Date: Period:

AMPHIBIAN TEST REVIEW

TRUE OR FALSE

_____________1. Bile is produced in the liver.

_____________ 2. Sperm enters through the female frog’s cloaca to fertilize eggs internally.

_____________ 3. Adult frogs have gills.

_____________ 4. A frog’s tongue is attached to the back of the mouth.

_____________ 5. Metamorphosis refers to all of the changes that occur as a tadpole develops into a frog.

_____________ 6. All amphibians are ectotherms (cold-blooded).

_____________7. The hard shells of amphibian eggs prevent them from drying out.

_____________8. Amphibian tadpoles are aquatic (found in water).

_____________9. Amphibians hibernate during cold or dry periods.

_____________10. The kidneys are connected to the bladder by a tube called the ureter.

_____________ 11. Adult frog hearts have two ventricles.

_____________12. Food passes through some accessory organs, such as the liver.

SHORT ANSWER:

13. List two examples of amphibians (other than frogs).

a. ___________________________

b. ___________________________

14. Why is the word amphibian, which means “double life,” a good word to use to describe animals like frogs?

15. List any two differences between tadpoles and frogs.

a. ___________________________

b. ___________________________

16. Why is a frog’s heart not as efficient as a human heart?

17. What is the function of the Eustachian tube?

18. List two ways a frog’s forelegs differ from their hindlegs.

a. ___________________________

b. ___________________________

IDENTIFICATION

19. ___________________ This spherical organ is attached to the mesentery and helps in getting rid of old blood cells.

20. ___________________ This “bladder” is attached to the kidneys by the ureters.

21. ___________________ Name for organs that help out in digestion but do not have food pass through them.

22. ___________________ Name of the 2 bulges at the roof of the mouth which are actually the undersides of a frog’s visual structures.

23. ___________________ Name of the chamber that pumps blood out of the heart.

24. ___________________ This flattened organ lies between the stomach and the small intestine and its function is to make insulin and digestive enzymes.

DIAGRAM ANALYSIS:

25. ___________________ What system is this diagram referring to?

26. ___________________ Identify organ #1. It is where the food is placed.

27. ___________________ Identify organ #2. It is a tube in which food passes through.

28. ___________________ Identify organ #3. It is where food turns into a “milkshake” because of the acid.

29. ___________________ Identify organ #4. It is the location of nutrient absorption.

30. ___________________ Identify organ #5. It is the exit for excretions.

31. There are 3 accessory organs that aide in digestion and absorption of nutrients. Draw these organs in on the diagram above. Place them above or under the organ that they secrete into.

5.4.3.2.GULLET

1.FOODLarge

intestine

32. Fill in the diagram of the circulatory system. Use - - - lines to indicate “blue” or oxygen poor blood. Use to indicate “red” or oxygen rich blood.

33. How do frogs make urine? Use the term, Kidneys, ureter, blood, bladder, toxins, “clean” blood, “toxic” blood in your description.

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Use the words in the bank to help you identify the numbered parts on the drawings below. Write the letter of the correct word on the corresponding line on the left side of the page.

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A. Adult Frog B. Cloaca C. Egg D. Nictitating Membrane E. Front LegF. Heart G. Hind leg H. Kidney I. Large Intestine J. Maxillary TeethK. Stomach L. Tongue M. Liver N. Small intestine O. Vomerine TeethP. Young frog Q. Tadpole frog R. Tympanic Membrane S. Lung T. External NareU. Tadpole V. Webbed foot