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

Lab

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