Frog Dissection Pre-lab pg. 782-792You will have to read thoroughly to find the answers

Names: ___________________________________________________________________________

Date: ____________________________________________________________________________

1. Kingdom ______________2. Class ________________

3. What characteristics do all chordates share?(767)

4. What are the two groups of non-vertebrate chordates? (769)

5. Why are frogs said to have “two lives?”(782)

6. How are amphibians different from reptiles? (search ch. 30 and 31)

7. What are 3 adaptations that frogs have?

8. What’s the difference between what tadpoles and adult frogs eat?(784)

9. Since frog lungs are poorly developed, what else do frogs do to breathe?(784)

10.How do frogs reproduce?(786)

11.Do frogs take care of their young?(786)

12.What is the purpose of the nictitating membrane?(786)

13.What is the purpose of the tympanic membrane?(786)

14.How do frogs retract their eyes?

Names: ___________________________________________________________________________

Date: ____________________________________________________________________________

Instructions for following page:Use your glossary to find the functions of the following organs. ***Please color code the parts.

A. Esophogus (yellow)_____________________________

___________________________________________

C. Stomach (purple)________________________________

___________________________________________

D. Pancreas (orange)_______________________________

____________________________________________

F. Cloaca (black)__________________________________

___________________________________________

H. Lung (dark blue)___________________________________

___________________________________________

I. Heart (red)__________________________________

__________________________________________

J. Liver (brown)__________________________________

___________________________________________

K. Gallbladder (lt. green)_______________________________

___________________________________________

L. Small Intestine (Dark green)___________________________

_____________________________________________

M. Large Intestine (lt. blue)____________________________

http://zerobio.com/videos/frog_dissection2.htm (video)http://www.frog-life-cycle.com/diagram-frog-anatomy.html (part)http://www.biologycorner.com/worksheets/frog_external.html(worksheet)http://www.biologyjunction.com/frog_dissection.htm http://www.mhhe.com/biosci/genbio/virtual_labs/BL_16/BL_16.html (vitual lab)