Name:_____________________________________ Date:________________ Period:____
Lab – Frog Dissection AlternativeDay 1 – Pre-lab
Directions: Follow along with your teacher as you are shown a PowerPoint of a frog dissection. Make sure to pay close attention as your success on the dissection depends on the knowledge you gain from the pre-lab.
External Parts of Frog Function
Eye
Ear (Tympanum)
Webbed Feet
Teeth
Eustachian Tube
Esophagus
Glottis
Tongue
Skin
Lab
Name:_____________________________________ Date:________________ Period:____
Internal Parts of Frog Function
Heart
Liver
Gallbladder
Stomach
Small Intestine
Large Intestine
Spleen
Kidney
Lungs
Testis
Fat Bodies
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Name:_____________________________________ Date:________________ Period:____
Day 2 – External Anatomy- Virtual Alternative Assignment
Directions: o Look at the diagram below of the tree frog. Color the different parts with your colored pencils
as indicated in the diagram. o Then, answer the questions.
1. Why do you think that tree frogs would have suction pads on their toes? Explain how this adaptation may be helpful?
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2. Compare the upper legs to the hind legs. Which are more muscular? __________________
3. Look at the answer you wrote for question #2. Why would these legs need to be more muscular? Explain.
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Lab
Name:_____________________________________ Date:________________ Period:____
4. This particular frog has bright green skin. List and explain two adaptations that a frog’s skin has that is different from a human’s skin. If you have trouble thinking of the answer, consult your textbook or the internet.
a. ______________________________________________________________________
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b. ______________________________________________________________________
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5. Use the internet or your textbook to describe a unique adaptation for the following external (outside) organs. HINT: “Unique” means that the adaptation is different from a human.
a. Eyes - ______________________________________________________________________
b. Tongue - ____________________________________________________________________
c. Ears - _______________________________________________________________________
5. Recap day 1 of the dissection by comparing the external (outside) anatomy of a frog to that of a human. Write a paragraph below. For example: What are the similarities between the outside parts of a frog when compared to a human? What are the differences?
(10 points total: +2 paragraph, +4 for 2 similarities, +4 each for 2 differences)
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Lab
Name:_____________________________________ Date:________________ Period:____
Day 3 – External Anatomy- Virtual Alternative AssignmentDirections:
o Go through the following steps via the website: http://www.roketoyun.com/frog-dissection.aspo Click on “Play this Game.” o Follow all the directions on the screen to complete the virtual dissection.o Once the frog is open, answer questions #1 and #2.
1. After you open the frog, you will need to find certain organs. List the organs you found below.
1. _________________________
2. _________________________
3. _________________________
4. _________________________
5._________________________
6._________________________
7._________________________
2. Use the internet to define the function of each organ. Please put the functions in the same order as your list in question #1. Use “Google” as your search engine.
1. ___________________________________________________________________
2. ___________________________________________________________________
3. ___________________________________________________________________
4. ___________________________________________________________________
5. ___________________________________________________________________
6. ___________________________________________________________________
7. ___________________________________________________________________
3. In order to recap day 2 of the dissection, fill in the Venn diagram on the next page that compares the internal anatomy of a frog to that of a human. Remember, you can ONLY COMPARE THE INSIDE ORGANS. (10 points total = +1each for at least 5 common internal organs; +1 each for up to 5 differences)
Lab
Name:_____________________________________ Date:________________ Period:____
Frogs Humans
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Scoring Guidelines:
Pre-lab section is filled out completely. _____ / 10 pts
All questions during Day 1 and Day 2 section are answered. _____/ 22 pts(Sentences are given where appropriate)
Conclusion for day 1 written in paragraph form. _____ / 10 pts
Venn diagram for day 2 filled out correctly. _____/ 10 pts
TOTAL: _____/ 52 pts
Lab