Amphibians Introduction Notes
-
Upload
ericchapman81 -
Category
Education
-
view
621 -
download
1
Transcript of Amphibians Introduction Notes
![Page 1: Amphibians Introduction Notes](https://reader036.fdocuments.net/reader036/viewer/2022062523/586f704a1a28ab10258b4adb/html5/thumbnails/1.jpg)
Class Amphibia
![Page 2: Amphibians Introduction Notes](https://reader036.fdocuments.net/reader036/viewer/2022062523/586f704a1a28ab10258b4adb/html5/thumbnails/2.jpg)
Class Amphibia
The word amphbia comes from Greek origins
![Page 3: Amphibians Introduction Notes](https://reader036.fdocuments.net/reader036/viewer/2022062523/586f704a1a28ab10258b4adb/html5/thumbnails/3.jpg)
Class Amphibia
The word amphbia comes from Greek origins
Amphi -
![Page 4: Amphibians Introduction Notes](https://reader036.fdocuments.net/reader036/viewer/2022062523/586f704a1a28ab10258b4adb/html5/thumbnails/4.jpg)
Class Amphibia
The word amphbia comes from Greek origins
Amphi - double
![Page 5: Amphibians Introduction Notes](https://reader036.fdocuments.net/reader036/viewer/2022062523/586f704a1a28ab10258b4adb/html5/thumbnails/5.jpg)
Class Amphibia
The word amphbia comes from Greek origins
Amphi - double
bios -
![Page 6: Amphibians Introduction Notes](https://reader036.fdocuments.net/reader036/viewer/2022062523/586f704a1a28ab10258b4adb/html5/thumbnails/6.jpg)
Class Amphibia
The word amphbia comes from Greek origins
Amphi - double
bios - life
![Page 7: Amphibians Introduction Notes](https://reader036.fdocuments.net/reader036/viewer/2022062523/586f704a1a28ab10258b4adb/html5/thumbnails/7.jpg)
Class Amphibia
The word amphbia comes from Greek origins
Amphibios - double life
![Page 8: Amphibians Introduction Notes](https://reader036.fdocuments.net/reader036/viewer/2022062523/586f704a1a28ab10258b4adb/html5/thumbnails/8.jpg)
This refers to the fact that amphibians live a “double life”……
![Page 9: Amphibians Introduction Notes](https://reader036.fdocuments.net/reader036/viewer/2022062523/586f704a1a28ab10258b4adb/html5/thumbnails/9.jpg)
This refers to the fact that amphibians live a “double life”……
1. Aquatic larva stage
![Page 10: Amphibians Introduction Notes](https://reader036.fdocuments.net/reader036/viewer/2022062523/586f704a1a28ab10258b4adb/html5/thumbnails/10.jpg)
This refers to the fact that amphibians live a “double life”……
1. Aquatic larva stage
2. Terrestrial adult stage
![Page 11: Amphibians Introduction Notes](https://reader036.fdocuments.net/reader036/viewer/2022062523/586f704a1a28ab10258b4adb/html5/thumbnails/11.jpg)
Classification:Kingdom – Animalia
![Page 12: Amphibians Introduction Notes](https://reader036.fdocuments.net/reader036/viewer/2022062523/586f704a1a28ab10258b4adb/html5/thumbnails/12.jpg)
Kingdom – Animalia
Phylum – Chordata
![Page 13: Amphibians Introduction Notes](https://reader036.fdocuments.net/reader036/viewer/2022062523/586f704a1a28ab10258b4adb/html5/thumbnails/13.jpg)
Kingdom – Animalia
Phylum – Chordata
Subphylum – Vertebrata
![Page 14: Amphibians Introduction Notes](https://reader036.fdocuments.net/reader036/viewer/2022062523/586f704a1a28ab10258b4adb/html5/thumbnails/14.jpg)
Kingdom – Animalia
Phylum – Chordata
Subphylum – Vertebrata
Class – Amphibia
![Page 15: Amphibians Introduction Notes](https://reader036.fdocuments.net/reader036/viewer/2022062523/586f704a1a28ab10258b4adb/html5/thumbnails/15.jpg)
Kingdom – Animalia
Phylum – Chordata
Subphylum – Vertebrata
Class – Amphibia (three living orders)
![Page 16: Amphibians Introduction Notes](https://reader036.fdocuments.net/reader036/viewer/2022062523/586f704a1a28ab10258b4adb/html5/thumbnails/16.jpg)
Kingdom – Animalia
Phylum – Chordata
Subphylum – Vertebrata
Class – Amphibia
Order – Anura
![Page 17: Amphibians Introduction Notes](https://reader036.fdocuments.net/reader036/viewer/2022062523/586f704a1a28ab10258b4adb/html5/thumbnails/17.jpg)
Kingdom – Animalia
Phylum – Chordata
Subphylum – Vertebrata
Class – Amphibia
Order – Anura (without tail)
![Page 18: Amphibians Introduction Notes](https://reader036.fdocuments.net/reader036/viewer/2022062523/586f704a1a28ab10258b4adb/html5/thumbnails/18.jpg)
Kingdom – Animalia
Phylum – Chordata
Subphylum – Vertebrata
Class – Amphibia
Order – Anura (without tail) Order – Caudata
![Page 19: Amphibians Introduction Notes](https://reader036.fdocuments.net/reader036/viewer/2022062523/586f704a1a28ab10258b4adb/html5/thumbnails/19.jpg)
Kingdom – Animalia
Phylum – Chordata
Subphylum – Vertebrata
Class – Amphibia
Order – Anura (without tail) Order – Caudata (tailed)
![Page 20: Amphibians Introduction Notes](https://reader036.fdocuments.net/reader036/viewer/2022062523/586f704a1a28ab10258b4adb/html5/thumbnails/20.jpg)
Kingdom – Animalia
Phylum – Chordata
Subphylum – Vertebrata
Class – Amphibia
Order – Anura (without tail) Order – Caudata (tailed) Order – Apoda
![Page 21: Amphibians Introduction Notes](https://reader036.fdocuments.net/reader036/viewer/2022062523/586f704a1a28ab10258b4adb/html5/thumbnails/21.jpg)
Kingdom – Animalia
Phylum – Chordata
Subphylum – Vertebrata
Class – Amphibia
Order – Anura (without tail) Order – Caudata (tailed) Order – Apoda (without legs)
![Page 22: Amphibians Introduction Notes](https://reader036.fdocuments.net/reader036/viewer/2022062523/586f704a1a28ab10258b4adb/html5/thumbnails/22.jpg)
There are three living orders of amphibians….
1. Anura (frogs and toads)
![Page 23: Amphibians Introduction Notes](https://reader036.fdocuments.net/reader036/viewer/2022062523/586f704a1a28ab10258b4adb/html5/thumbnails/23.jpg)
There are three living orders of amphibians….
1. Anura (frogs and toads)
![Page 24: Amphibians Introduction Notes](https://reader036.fdocuments.net/reader036/viewer/2022062523/586f704a1a28ab10258b4adb/html5/thumbnails/24.jpg)
There are three living orders of amphibians….
1. Anura (frogs and toads)
6,200 species
![Page 25: Amphibians Introduction Notes](https://reader036.fdocuments.net/reader036/viewer/2022062523/586f704a1a28ab10258b4adb/html5/thumbnails/25.jpg)
There are three living orders of amphibians….
1. Anura (frogs and toads)
6,200 species
Smallest is approximately ½ inch.
![Page 26: Amphibians Introduction Notes](https://reader036.fdocuments.net/reader036/viewer/2022062523/586f704a1a28ab10258b4adb/html5/thumbnails/26.jpg)
There are three living orders of amphibians….
1. Anura (frogs and toads)
6,200 species
Smallest is approximately ½ inch.
Largest is 16 inches and may weigh 8 pounds!
![Page 27: Amphibians Introduction Notes](https://reader036.fdocuments.net/reader036/viewer/2022062523/586f704a1a28ab10258b4adb/html5/thumbnails/27.jpg)
There are three living orders of amphibians….
2. Caudata (salamanders)
![Page 28: Amphibians Introduction Notes](https://reader036.fdocuments.net/reader036/viewer/2022062523/586f704a1a28ab10258b4adb/html5/thumbnails/28.jpg)
There are three living orders of amphibians….
2. Caudata (salamanders)
640 species
![Page 29: Amphibians Introduction Notes](https://reader036.fdocuments.net/reader036/viewer/2022062523/586f704a1a28ab10258b4adb/html5/thumbnails/29.jpg)
There are three living orders of amphibians….
2. Caudata (salamanders)
640 species
Smallest is about 2 inches.
![Page 30: Amphibians Introduction Notes](https://reader036.fdocuments.net/reader036/viewer/2022062523/586f704a1a28ab10258b4adb/html5/thumbnails/30.jpg)
There are three living orders of amphibians….
2. Caudata (salamanders)
640 species
Smallest is about 2 inches.
Largest is 5 feet and may weigh over 60 pounds.
![Page 31: Amphibians Introduction Notes](https://reader036.fdocuments.net/reader036/viewer/2022062523/586f704a1a28ab10258b4adb/html5/thumbnails/31.jpg)
There are three living orders of amphibians….
3. Apoda or Gymnophiona (caecilians)
![Page 32: Amphibians Introduction Notes](https://reader036.fdocuments.net/reader036/viewer/2022062523/586f704a1a28ab10258b4adb/html5/thumbnails/32.jpg)
There are three living orders of amphibians….
3. Apoda or Gymnophiona (caecilians)
Approximately 190 species
![Page 33: Amphibians Introduction Notes](https://reader036.fdocuments.net/reader036/viewer/2022062523/586f704a1a28ab10258b4adb/html5/thumbnails/33.jpg)
There are three living orders of amphibians….
3. Apoda or Gymnophiona (caecilians)
Approximately 190 species
Smallest species is approximately 6 inches.
![Page 34: Amphibians Introduction Notes](https://reader036.fdocuments.net/reader036/viewer/2022062523/586f704a1a28ab10258b4adb/html5/thumbnails/34.jpg)
There are three living orders of amphibians….
3. Apoda or Gymnophiona (caecilians)
Approximately 190 species
Smallest species is approximately 6 inches.
Largest species is approximately 4 feet.
![Page 35: Amphibians Introduction Notes](https://reader036.fdocuments.net/reader036/viewer/2022062523/586f704a1a28ab10258b4adb/html5/thumbnails/35.jpg)
Amphibian characteristics…..
![Page 36: Amphibians Introduction Notes](https://reader036.fdocuments.net/reader036/viewer/2022062523/586f704a1a28ab10258b4adb/html5/thumbnails/36.jpg)
Amphibian characteristics…..
1. Naked skin (no scales, feathers, or hair)
![Page 37: Amphibians Introduction Notes](https://reader036.fdocuments.net/reader036/viewer/2022062523/586f704a1a28ab10258b4adb/html5/thumbnails/37.jpg)
Amphibian characteristics…..
1. Naked skin (no scales, feathers, or hair)
2. Three chambered heart
![Page 38: Amphibians Introduction Notes](https://reader036.fdocuments.net/reader036/viewer/2022062523/586f704a1a28ab10258b4adb/html5/thumbnails/38.jpg)
Amphibian characteristics…..
1. Naked skin (no scales, feathers, or hair)
2. Three chambered heart
3. Usually a larval stage that is distinct from the adult stage
![Page 39: Amphibians Introduction Notes](https://reader036.fdocuments.net/reader036/viewer/2022062523/586f704a1a28ab10258b4adb/html5/thumbnails/39.jpg)
Amphibian characteristics…..
1. Naked skin (no scales, feathers, or hair)
2. Three chambered heart
3. Usually a larval stage that is distinct from the adult stage
4. Permeable skin through which they exchange most of their gases.
![Page 40: Amphibians Introduction Notes](https://reader036.fdocuments.net/reader036/viewer/2022062523/586f704a1a28ab10258b4adb/html5/thumbnails/40.jpg)
Amphibian characteristics…..
1. Naked skin (no scales, feathers, or hair)
2. Three chambered heart
3. Usually a larval stage that is distinct from the adult stage
4. Permeable skin through which they exchange most of their gases.
5. Ectothermic – Amphibians are “cold blooded”.
![Page 41: Amphibians Introduction Notes](https://reader036.fdocuments.net/reader036/viewer/2022062523/586f704a1a28ab10258b4adb/html5/thumbnails/41.jpg)
Amphibians have never been able to completely remove themselves from water or at least very moist environments.
![Page 42: Amphibians Introduction Notes](https://reader036.fdocuments.net/reader036/viewer/2022062523/586f704a1a28ab10258b4adb/html5/thumbnails/42.jpg)
Amphibians have never been able to completely remove themselves from water or at least very moist environments.
They must return to the water to reproduce.
![Page 43: Amphibians Introduction Notes](https://reader036.fdocuments.net/reader036/viewer/2022062523/586f704a1a28ab10258b4adb/html5/thumbnails/43.jpg)
Amphibians have never been able to completely remove themselves from water or at least very moist environments.
They must return to the water to reproduce.
They must keep their skin moist so they can exchange gases.
![Page 44: Amphibians Introduction Notes](https://reader036.fdocuments.net/reader036/viewer/2022062523/586f704a1a28ab10258b4adb/html5/thumbnails/44.jpg)
Amphibians occur on all continents except Antarctica.
![Page 45: Amphibians Introduction Notes](https://reader036.fdocuments.net/reader036/viewer/2022062523/586f704a1a28ab10258b4adb/html5/thumbnails/45.jpg)
Amphibians occur on all continents except Antarctica.
Frogs and Toads
• Australia
• North America
• South America
• Africa
• Europe
• Asia
![Page 46: Amphibians Introduction Notes](https://reader036.fdocuments.net/reader036/viewer/2022062523/586f704a1a28ab10258b4adb/html5/thumbnails/46.jpg)
Amphibians occur on all continents except Antarctica.
Frogs and Toads
• Australia
• North America
• South America
• Africa
• Europe
• Asia
Greatest species diversity is in tropical South America.
![Page 47: Amphibians Introduction Notes](https://reader036.fdocuments.net/reader036/viewer/2022062523/586f704a1a28ab10258b4adb/html5/thumbnails/47.jpg)
Amphibians occur on all continents except Antarctica.
Frogs and Toads
• Australia
• North America
• South America
• Africa
• Europe
• Asia
Greatest species diversity is in tropical South America.
Salamanders
• North America
• South America
• Europe
• Asia
![Page 48: Amphibians Introduction Notes](https://reader036.fdocuments.net/reader036/viewer/2022062523/586f704a1a28ab10258b4adb/html5/thumbnails/48.jpg)
Amphibians occur on all continents except Antarctica.
Frogs and Toads
• Australia
• North America
• South America
• Africa
• Europe
• Asia
Greatest species diversity is in tropical South America.
Salamanders
• North America
• South America
• Europe
• Asia
Greatest species diversity is in the southeastern U.S.
![Page 49: Amphibians Introduction Notes](https://reader036.fdocuments.net/reader036/viewer/2022062523/586f704a1a28ab10258b4adb/html5/thumbnails/49.jpg)
Amphibians occur on all continents except Antarctica.
Frogs and Toads
• Australia
• North America
• South America
• Africa
• Europe
• Asia
Greatest species diversity is in tropical South America.
Salamanders
• North America
• South America
• Europe
• Asia
Greatest species diversity is in the southeastern U.S.
Caecilians
• Only in the tropical zones of Asia, South America, and Africa.