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Frog Dissection Lab Sheet #1: Pre/Post Questions Name

This document is a lab sheet for a frog dissection that contains pre-lab and post-lab questions. It includes questions about the external and internal anatomy of frogs, their classification, organ systems, and comparisons between frog and human anatomy. Students are asked to label diagrams of frog anatomy, describe the functions of various organs, and discuss how the dissection shows frogs are adapted to their environment. They are also asked to identify interesting facts learned and similarities and differences between frog and human body structures.

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Francis Arceo
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1K views2 pages

Frog Dissection Lab Sheet #1: Pre/Post Questions Name

This document is a lab sheet for a frog dissection that contains pre-lab and post-lab questions. It includes questions about the external and internal anatomy of frogs, their classification, organ systems, and comparisons between frog and human anatomy. Students are asked to label diagrams of frog anatomy, describe the functions of various organs, and discuss how the dissection shows frogs are adapted to their environment. They are also asked to identify interesting facts learned and similarities and differences between frog and human body structures.

Uploaded by

Francis Arceo
Copyright
© © All Rights Reserved
We take content rights seriously. If you suspect this is your content, claim it here.
Available Formats
Download as PDF, TXT or read online on Scribd
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Frog Dissection Lab Sheet #1: Pre/Post Questions

Name
Refer to the Frog Dissection Instructions packet to answer the questions on this sheet.

Part 1: Introduction
1. What class does the frog belong to?
2. Why does a frog belong to that class?
3. Why are amphibians considered to be a unique evolutionary group?

Part 2: External Anatomy


4. Why is your frog stiff and not limp like many dead animals you may have encountered? Explain.

5. Why does a frog produce toxins in its skin?


6. Why does a frog look green even though it contains no green pigments?

Part 3: Head & Mouth Anatomy


7. Where does the tongue attach to the mouth?
Structure Function
8. External/internal nares
9. Nictitating membrane
10. Tympanic membrane
11. Tongue
12. Vomerine teeth
13. Maxillary teeth
14. Eustachian tube
15. Gullet opening
16. Glottis

17. Label the following mouth structures on the diagram. Be prepared to locate these on your frog during lab.
1.
2.
3.
4.
5.
6.
7.
Part 4: Organs of the Body Cavity
Describe, locate & state the function of each of these internal structures. Be prepared to locate these on frog.
Structure Description Orientation Function
18. fat bodies
19. peritoneum
20. heart
21. lungs
22. liver
23. gall bladder
24. esophagus
25. stomach
26. small intestine
27. mesentery
28. pancreas
29. spleen
30. kidney
31. large intestine
32. testes
33. ovary
34. oviduct
35. eggs

Urogenital Systems. Identify the names of the structures be low for both male & female frogs.

A. I.
B. J.
C. K.
D. L.
E. M.
F. N.
G. O.
H.
Conclusion
36. How does the frog dissection show and support the idea that an organism is adapted to getting nutrients,
getting rid of wastes and reproducing in its environment? Give 2 specific examples from the lab.

37. Describe 3 interesting facts about amphibians that you now know as a result of doing this lab.

38. Identify and describe 2 external features that frogs have in common with humans.
a.
b.
39. Identify and describe 2 internal features that frogs have in common with humans.
a.
b.
40. Identify and describe 2 features that frogs DO NOT have in common with humans.
a.
b.

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