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Unit 2 Diversity of Life
Chapter 11 Fish, Amphibians, and Reptiles
Section 3 Amphibians



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Created  12/23/2002

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Previous: Fish      Next: Reptiles

Teacher Resources     Student Extra Credit 

 

11-3 Amphibians
What is an Amphibian?
Frogs & Toads
Salamanders & Newts
Caecilians (legless)
Living on Land

 


Frog.bmp (30054 bytes)

Day 1
Topic  Amphibians
Objectives/ I can ...
Introduction to Amphibians
State Goals
12.A.1a  Identify and describe the component parts of living things and their major functions.
13.A.1c  Explain how knowledge can be gained by careful observation.
Classwork-Homework
Amphibian Biology Project  2:56
Amphibians Project  9:46
Amphibians For Kids  3:27

Note02.gif (247 bytes) Amphibian Picture

AMPHIBIANS: BILL NYE 23:06
Amphibians: Alaire Report  7:54  Guns & Roses "Sweet Child of Mine" played by a  violin

TEC
Resources
filmreel.gif - 313 Bytes Amphibians Eyewitness  Video 35 minutes   Pencil.gif (1165 bytes) Amphibian Video Questions
filmstrip.gif (6075 bytes) Amphibian ppt
Frogs and Toads Resources for lap books
Frog Lapbook Resources

 

Day 2
Topic 11-3 What are amphibians?
Objectives/ I can ...
Define amphibian.
List the three orders of amphibians.
List six characteristics of amphibians.
Discuss the characteristics of amphibians.
Identify amphibians as vertebrates that can live on land for part of their entire lives.
State Goals
12.A.1a  Identify and describe the component parts of living things and their major functions.
Classwork-Homework
 Chalkboard.bmp (15654 bytes)
On the Board
Amphibian

animal that lives part of its life in water and part on land 
In Greek amphibian means "double life"
amphious = double     bian (bio) =  life

Chalkboard.bmp (15654 bytes)
On the Board

Three Orders of Amphibians

Frogs and Toads

Salamanders and Newts

Caecilians: legless amphibians

 Chalkboard.bmp (15654 bytes) On the Board

Six Characteristics of Amphibians

Cold blooded

Smooth, moist skin (except for toads)

Caecilians: legless amphibians

Webbed feet
Breathe: gills, lungs, and skin
Eggs: no shells, laid in water
Three-chambered heart: two atria and one ventricle

Lecture.gif - 2227 Bytes  Amphibian Information   

Computer.gif (1114 bytes) Frog Sounds

readme.gif (802 bytes) Prentice Hall 382-386

Pencil.gif (1165 bytes)RSG 11-3 Amphibians

TEC
Pencil.gif (1165 bytes) Science Explorer 327 Amphibians Underground
Resources
Note02.gif (247 bytes) Amphibian Alert 
81 pages  Pictures for bulletin board!  Introduction page!
3 slide shows but no info on how to locate the slides

 

Day 3
Topic  Toads
Objectives/ I can ...
Identify characteristics of toads.
Identify 5 toad species.
Read for information.
Create a graphic organizer.
State Goals
12.A.1a  Identify and describe the component parts of living things and their major functions.
Classwork-Homework
Toads
Cane Toads  2:16
Colorado River Toads  1:46
Mid Wife Toad  :19

Surinam Toad: Pipa Pipa  :36
Surinam Toad Eggs Hatching  :36


Toads in Assignment
Mid Wife Toad  :32
Surinam Toad Hatching :43
Spadefoot Toad 2:36
American Toad 1:20
Fowlers Toad :37

readme.gif (802 bytes) Toads 1-page article 

Pencil.gif (1165 bytes) Toad Questions and use graphic organizer on the Surinam toad

TEC
Resources

 

Day 4
Topic  Salamanders and Newts and the Caecilian
Objectives/ I can ...
Identify characteristics of salamanders and newts.
State Goals
12.A.1a  Identify and describe the component parts of living things and their major functions.
Classwork-Homework
Lecture.gif - 2227 Bytes Facts About Salamanders
SALAMANDERS and NEWTS
Blue Spotted Salamander  1:52
Hellbender  1:58
Mud Puppy Adventure  5:35
Mud Puppy Eats a Fish  :51
Salamander  1:22
Salamander Eggs Hatching :28
Spotted Salamander  2:57
Tiger Salamander Hunting Crickets  1:20
Tiger Salamanders on the Hunt
 

Earth.gif (6650 bytes) Red-backed Salamander Facts 2:21 eHow
Earth.gif (6650 bytes) Tiger Salamander 3:04 eHow

CAECILIANS
Caecilian  3:33
Caecilian Birth 2:01

Earth.gif (6650 bytes) Caecilian Facts 2:30 eHow Great introduction

Note02.gif (247 bytes) Caecilian Information

readme.gif (802 bytes) Getting to Know Salamanders pages 6-9

Pencil.gif (1165 bytes) Salamander Questions

Pencil.gif (1165 bytes) Identifying Salamanders Using a Dichotomous Key page 2-4

TEC
Resources
crayon0a.gif (328 bytes) Salamander Coloring Page
crayon0a.gif (328 bytes) Tiger Salamander: Facts and Coloring
Note02.gif (247 bytes)
Experiments of the Egg-Laying Salamanders  experiments from the 1930's
Note02.gif (247 bytes) Six Slippery Salamanders

 

Day 5
Topic  Frogs
Objectives/ I can ...
Identify characteristics of frogs.
State Goals
12.A.1a  Identify and describe the component parts of living things and their major functions.
Classwork-Homework
FROGS and TOADS
African Bullfrog  2:17
Bullfrog Ballet  2:11   Vancouver Aquarium Great Video!!!!!
Bullfrog Calling  1:01
Bullfrogs Eat Everything  2:16   National Geographic
Fantastic Frogs  1:42
Frog Sounds  :28
North American Wood Frog: The Frozen Frog 3:47
Northern Cricket Frog  :16
Northern Leopard Frog  :49
Pickerel Frog  :23
Poison Dart Frog  1:01
Poison Dot Frogs: Egg Laying  3:21  David Attenborough 
Strawberry Poison Dart Frog  1:43
Wood Frog  :13

Earth.gif (6650 bytes) African Bullfrog 2:16 eHow
Earth.gif (6650 bytes) Wood Frog 2:53 eHow

TEC
Resources
star.gif (2279 bytes)
Poison Dart Frog Reading Comprehension
Dice.bmp (3974 bytes)
Frogs and Tadpoles Game

 

Day 6
Topic  Metamorphosis
Objectives/ I can ...
Recognize the characteristics of reptiles.
Identify reptiles as vertebrates that can live on land for their entire lives.
Explain that amphibians and reptiles are ectotherms.
Observe and describe characteristics of eggs.
Students will follow the life cycle of a frog and become aware of some of the threats it faces as it matures.
State Goals
12.A.2a Describe simple life cycles of plants and animals and the similarities and differences in their offspring.
12.B.3a  Identify and classify biotic and abiotic factors in an environment that affect population density, habitat and placement of organisms in an energy pyramid.
12.B.3b Compare and assess features of organisms for the adapatative, competitive, and survival potential.
Classwork-Homework
Chalkboard.bmp (15654 bytes)
On the Board
Larva:
immature stage of many animals that usually looks different than the adult form
Tadpole: larval stage of a frog
Metamorphosis: changes during the stages of development of an organism.

Chalkboard.bmp (15654 bytes) On the Board
Two Groups That Change: Insects and amphibians

Frog Life Cycle  1:10
Frog Calls: Herping With Dylan  10:00
Frog Laying Eggs  :40
Frog Eggs  :12
Developing Egg Cells  1:27
Frog Spawn: Time Lapse  1:06
Metamorphosis  7:07
Tadpole Metamorphosis  :36
Bullfrog Tadpoles  2:38
Tadpoles Eating Spinach  :19

Lecture.gif - 2227 Bytes Far Out Frogs from Naturescope
Diplocalus: The Hammer Head Salamander  :52 

Land Invaders  David Attenbourgh  57:43

filmreel.gif (313 bytes) The Last Frog on Safari Montage

Create a Book:
From Tadpole to Frog book forms (print out page.1 and page.2)

TEC
Pencil.gif (1165 bytes) Tadpole Metamorphosis
Resources
Note02.gif (247 bytes)Frog Game
Frog Steps Game     
Spinner     
Game board

 

 

Day 7
Topic Deformed Frogs
Objectives/ I can ...
Identify causes for malformed frogs.
Design an experiment to examine the cause of deformed frogs.
State Goals
12.B.3a  Identify and classify biotic and abiotic factors in an environment that affect population density, habitat and placement of organisms in an energy pyramid.
12.B.3b Compare and assess features of organisms for the adapatative, competitive, and survival potential.
Classwork-Homework
Global Amphibian Crisis by David Attenborough  4:29
Save the Amphibians  2:26
5 Legged Frog  :46
6-Legged Frog  6:19
Jerry the 5 Legged Toad  1:02

Earth.gif (6650 bytes) Malformed Frogs in Minnesota
filmstrip.gif (6075 bytes) Malformed Frogs

Pencil.gif (1165 bytes) Minnesota Frogs: Questions and Hypotheses pages 22-23
 
TEC
Resources
Computer.gif (1114 bytes) Case of the Disappearing Frogs

 

 

Day 8
Topic  Deformed Frogs
Objectives/ I can ...
Display data about deformed frogs and ultra-violet light
State Goals
12.A.1a  Identify and describe the component parts of living things and their major functions.
Classwork-Homework
Pencil.gif (1165 bytes) Minnesota Frogs: Is ultra-violet light the Cause of Deformed Frogs?  pages 33-34
TEC
Resources

 

Day 9
Topic  Frog Populations
Objectives/ I can ...
Describe environmental changes that can affect the size of a population.
State Goals
12.B.3a  Identify and classify biotic and abiotic factors in an environment that affect population density, habitat and placement of organisms in an energy pyramid.
12.B4b Simulate and analyze factors that influence the size and stability of populations within ecosystems.
Classwork-Homework
The Last Golden Frog Part 1  8:09
The Last Golden Frog Part 2  8:44

BookOpen.bmp (16686 bytes) The Case of the Missing Anurans The Last Golden frog Part 1  
Magnify0b.gif (341 bytes) Frog Futures Game          Pencil.gif (1165 bytes) Frog Futures Data Chart
TEC
Resources

 

Day 10
Topic  Directions to Frog Sandwich                                                           
Objectives/ I can ...
List the body systems of the frog.
Draw and label digestive system of the frog.
State Goals
12.A.1a  Identify and describe the component parts of living things and their major functions.
Classwork-Homework
filmstrip.gif (6075 bytes) Frog Dissection PowerPoint
This takes you to an index.
Choose sp06 Frog Dissection ppt.
Save to your computer.

  Frog Sandwich: Digestive System
Use Biology Coloring Pages as a reference.

1

Draw digestive system on frog outline. Only organs with stars.

2 Color the organs.
3

Outline the organs.

4

Label the organs.
DO NOT CUT OUT UNTIL ALL FOUR SYSTEM OUTLINES FINISHED

5 Repeat 1-4 for respiratory system.
6 Repeat 1-4 for circulatory system
7 Repeat 1-4 for urogenital system.  Your choice: male or female frog
star.gif (2279 bytes)

For extra credit add a blank frog page to your Frog Book.  Call it Frog Facts. Include information on frogs, names of frogs, and interesting facts.

8 Carefully cut out all the outlines. 
9 Cut out two green construction paper frogs for cover of book
10 Put Frog Sandwich together and staple.
11 Title and your name on cover. 
star.gif (2279 bytes) Add frog camouflage pattern for 5 points extra credit.

crayon0a.gif (328 bytes) Draw, color, outline, and label organs of frog's digestive system.

TEC
Resources
Pencil.gif (1165 bytes) Frog Sandwich Student Pages
Note02.gif (247 bytes) Student Instructions
Note02.gif (247 bytes) Teacher Directions

 

Day 11
Topic  Frog Respiratory System
Objectives/ I can ...
Draw, color, outline, and label organs of frog's respiratory system.
State Goals
12.A.1a  Identify and describe the component parts of living things and their major functions.
Classwork-Homework
  Frog Sandwich
Draw, color, outline, and label organs of frog's respiratory system.
TEC
Resources

 

Day 12
Topic  Frog Circulatory System
Objectives/ I can ...
Draw, color, outline, and label organs of frog's circulatory system.
State Goals
12.A.1a  Identify and describe the component parts of living things and their major functions.
Classwork-Homework
  Frog Sandwich
Draw, color, outline, and label organs of the frog's circulatory system.
TEC
Resources

 

Day 13
Topic  Frog Urogenital System
Objectives/ I can ...
Draw, color, outline, and label organs of frog's urogenital system.
State Goals
12.A.1a  Identify and describe the component parts of living things and their major functions.
Classwork-Homework
  Frog Sandwich
Draw, color, outline, and label organs of the frog's urogenital system.

crayon0a.gif - 328 Bytes  
Frog Dissection Coloring Page
TEC
Resources

 

Day 14
Topic  On line Frog Dissection
Objectives/ I can ...
View pictures of frog organs.
Record organ names.
State Goals
12.A.1a  Identify and describe the component parts of living things and their major functions.
Classwork-Homework
Pencil.gif - 434 Bytes  Use the Frog Morphology and Physiology Tutorials to write down the organs that correspond to each numbered structure.    Record answers on Frog Worksheet .
TEC
Resources
Magnify0b.gif - 341 Bytes Pickle Dissection

 

Day  BLOCK SCHEDULE
Topic  Frog Dissection  2 Periods
Objectives/ I can ...
Identify external characteristics of a grass frog.
Identify internal organs of the frog's mouth.
Locate and identify the internal organs of the frog.
Record information.
State Goals
12.A.1a  Identify and describe the component parts of living things and their major functions.
13.B.1a Explain the use of common scientific instruments.
Classwork-Homework
Use  Frog Dissection Checklist to evaluate the dissection as the kids work.                   
**Only use if having block time.  Not enough time for only one period.

Note02.gif (247 bytes) Frog Dissection Reference Guide

Chalkboard.bmp (15654 bytes) On the Board

 Magnify0b.gif - 341 Bytes   Frog Dissection

1

Station setup. Drawing on board.

2 Check stations for dissecting tools. List on board.
3

Pass out Frog Dissection Worksheets. Go over.

4

Get gloves and goggles.

5 Receive frog.
6 Complete Frog Dissection Worksheets.
7 Extra Credit if time: thighbone, eyeball, brain, and spinal cord
8

Clean up:
                       1. Throw away frog, body parts, and used paper towels.
                       2. Set up station: Look at board.
                       3. Throw away gloves.
                       4. Return goggles
                       5. Turn in Frog Dissection Worksheets

9 Wash hands.

 

TEC
Resources
Note02.gif (247 bytes) Frog Dissection Transparencies
Magnify0b.gif - 341 Bytes Frog Brain Dissection
Magnify0b.gif (341 bytes) Frog Urogenital and Brain Worksheet
Magnify0b.gif (341 bytes) Alternative to Frog Dissection

 

Day 15-16
Topic Frog Dissection
Objectives/ I can ...
Learn the names of dissecting equipment.
Identify the anatomy of a frog.
State Goals
1
2.A.1a  Identify and describe the component parts of living things and their major functions.
13.B.1a Explain the use of common scientific instruments.
Classwork-Homework
Magnify0b.gif - 341 Bytes Frog Dissection
Day 1: Outside observation
Day 2: Internal Investigation
TEC
Resources
filmstrip.gif (6075 bytes) Frog Dissection Transparencies
Magnify0b.gif - 341 Bytes Frog Brain Dissection
Magnify0b.gif (341 bytes) Frog Urogenital and Brain Worksheet

 

Day 17
Topic  Frog Evaluation.
Objectives/ I can ...
Evaluate frog dissection.
Evaluate knowledge of fish.
Evaluate knowledge of amphibians.
State Goals
12.A.1a  Identify and describe the component parts of living things and their major functions.
Classwork-Homework
 braininjar.gif - 1615 Bytes 
Frog Dissection Evaluation

 Computer.bmp (3254 bytes) The Ultimate Frog Anatomy Review

TEC
Resources

 

Day 18
Topic  Test on Fish and Amphibians
Objectives/ I can ...
Evaluate knowledge over fish and Amphibians
State Goals
12.A.1a  Identify and describe the component parts of living things and their major functions.
Classwork-Homework
 braininjar.gif - 1615 Bytes Test on Chordates, Fish, and Amphibians
TEC
Resources

 

Teacher Resources

Pencil.gif (1165 bytes) Assignment     Magnify0b.gif - 341 Bytes Labs        crayon0a.gif (328 bytes) Art Activity    BookOpen.bmp (16686 bytes) Lesson Plan      braininjar.gif (1615 bytes)_Tests   filmstrip.gif (6075 bytes)PPT     IconMap.bmp (3402 bytes) Maps     Note02.gif (247 bytes) Resources    
Earth.gif (6650 bytes) Web Sites    
SchoolBus5.bmp (6174 bytes)_Field Trips     Computer.gif (1114 bytes) Computer      bookpages.gif (1592 bytes) Book      Dice.bmp (3974 bytes) Games    star.gif (2279 bytes)Extra Credit     Video

AMPHIBIANS
 readme.gif (1442 bytes) The Puzzle of Declining Amphibian Populations
 Magnify0b.gif (341 bytes) Frog Futures Game
  Magnify0b.gif - 341 Bytes  Alberta Amphibian Monitoring Program   71 pages  Information, Frog Dilemma p.10, Meeting Amphibians p.15, Amphibian labels p.21, Frog or Toad p.24, Amphibian Designs p.25, Amphibian Measurements p.43, 4 Frog Coloring Sheet p.51, Frog Jokes p.62.
filmstrip.gif (6075 bytes) Amphibian Alert PowerPoint
 Dice.bmp (3974 bytes) Amphibian Jeopardy   Link takes you to an index.  Choose Amphibian Jeopardy Tucker.ppt  This index has many amphibian activities. Check it out.
 Note02.gif - 247 Bytes Ammonite Egg    Amphibians had to return to water to lay eggs.  Reptiles were the first group to live completely on the land.  The ammoniate egg allowed them to place their eggs on dry land, the water (amniotic fluid) was IN  the egg.
 Note02.gif - 247 Bytes  Amphibian Information
 Earth.gif - 6650 Bytes  Amphibians  Links from NetVet for Frogs and Toads and other Amphibians
 Earth.gif - 6650 Bytes  Great Lakes Declining Amphibians Working Group   The Great Lakes Declining Amphibians Working Group is a Regional Working Group of the IUCN/SSC Declining Amphibian Populations Task Force (DAPTF), devoted to investigating the worldwide decline in amphibian populations. DAPTF publishes the newsletter FROGLOG . Regional working groups promote research and education, and act as information clearing houses.
DISSECTION
 Magnify0b.gif - 341 Bytes  Frog Brain Dissection
 Magnify0b.gif - 341 Bytes  Frog Dissection Worksheets       Frog Dissection Checklist
 Magnify0b.gif - 341 Bytes  Virtual Frog Dissection   You can interactively dissect a (digitized) frog named Fluffy, make movies, and play the Virtual Frog Builder Game.
 Computer.gif (1114 bytes) Frog Dissecting: An Alternative  Web Quest
FROGS
 Pencil.gif - 434 Bytes  Use the Frog Morphology and Physiology Tutorials to write down the organs that correspond to each numbered structure.  Record answers on Frog Worksheet.
 Magnify0b.gif - 341 Bytes  Help Scientists Collect Frog Data  Canadian site.  Good fact sheets on frog species.
 BookOpen.bmp (16686 bytes) The Case of the Missing Anurans
 crayon0a.gif - 328 Bytes  Color Me Frog
 crayon0a.gif (328 bytes) Frog Coloring Pages
 crayon0a.gif - 328 Bytes  Frogs For Kids Coloring Book   Tree Frogs, Green Frogs, Mink Frog, Leopard Frog, Spring Peeper Frog, Western Chorus Frog, Wood Frog
 Earth.gif - 6650 Bytes  Croak   New town. New job. Tough boss.  Suddenly it's up to you to find out why extinction threatens the celebrated frogs in the town park.  An Access Excellence Science Mystery.
 Earth.gif - 6650 Bytes  Exploding Frog Skeleton
 Earth.gif - 6650 Bytes  Frog Images    Pictures of frog species.  Click on the picture to enlarge.
 Earth.gif - 6650 Bytes  Frog Morphology and Physiology Tutorials   Images that are designed to help you review what you learned during the dissection of the frog.
 Earth.gif - 6650 Bytes  Frog Watch, USA   Welcome to Frogwatch USA. This Web site is the Internet presence of an educational frog and toad monitoring program coordinated by the US Geological Survey Patuxent Wildlife Research Center.  Frogwatch USA relies on volunteers, like you, to collect information regarding frog and toad populations in neighborhoods across the nation.  Please explore the Web site and see if you would like to become a Frogwatch USA volunteer.
 Earth.gif - 6650 Bytes  Frogs   The Frogs exhibition ran at the Exploratorium in San Francisco from February 13, 1999 through February 6, 2000. Here online, you can still enjoy our frog articles, interactive exhibits and hands-on activities.
 Earth.gif - 6650 Bytes  North American Bullfrogs   Photos and detailed facts about these cannibalistic frogs that will not hesitate to eat their own kind.
 Earth.gif - 6650 Bytes  Poison Dart Frogs   From tiny pores in its skin, the frog secretes a defensive toxin that makes it unpalatable to curious predators and which could easily kill if injected into a human or other animal.
 Earth.gif (6650 bytes) Virtual Frog Builder Game
 Earth.gif (6650 bytes) Where Have All the Frogs Gone?
 KEYS: GUIDES: CHECKLISTS
 Note02.gif - 247 Bytes  Amphibians Key for Idaho  Neat Visual Key
 Note02.gif - 247 Bytes  Amphibians of Aquatic Illinois   Information on the bull frog, spotted salamander, and mud puppy.
 Note02.gif - 247 Bytes  Checklist of Amphibian Species and Identification Guide   An online guide for the identification of amphibians in North America and Mexico
 Note02.gif - 247 Bytes Amphibians Found in Texas 
 Note02.gif - 247 Bytes  OnLine Amphibian Identification Key    Identify amphibians by clicking on pictures.
 NEWTS
 Earth.gif - 6650 Bytes  Central Newt  Features, history, and range.
PETA
Earth.gif - 6650 Bytes Alternatives to Dissection
 SALAMANDERS
 Earth.gif - 6650 Bytes  Barton Springs Salamander  Features, history, and range.
 Earth.gif - 6650 Bytes  Dwarf Salamander  Features, history, and range.
 Earth.gif - 6650 Bytes  Japanese Giant Salamander   The salamander is a timid, harmless animal that looks like a lizard but is related to frogs and toads. It is a type of amphibian.
 Earth.gif - 6650 Bytes  Marbled Salamander   Cool facts on this creature's looks, habitat, diet, and habits.
 Earth.gif - 6650 Bytes  San Marcos Salamander  Features, history, and range.
 Earth.gif - 6650 Bytes  Texas Salamander   Features, history, and range.


Student Extra Credit

 star.gif - 2279 Bytes Extra Credit star.gif - 2279 Bytes

 star.gif - 2279 Bytes Alternative to Frog Dissection   You will explore web sites about frog anatomy and construct a journal that chronicles your explorations.
 star.gif - 2279 BytesAmmonite Egg  Read the article, color the diagram, and answer the questions.
 star.gif - 2279 Bytes Frog Facts   For extra credit add a blank frog page to your Frog Book.  Call it Frog Facts. Include information on frogs, names of frogs, frog sayings, and interesting frog facts.

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