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Class Amphibia
Class Amphibia
The word amphbia comes from Greek origins
Class Amphibia
The word amphbia comes from Greek origins
Amphi -
Class Amphibia
The word amphbia comes from Greek origins
Amphi - double
Class Amphibia
The word amphbia comes from Greek origins
Amphi - double
bios -
Class Amphibia
The word amphbia comes from Greek origins
Amphi - double
bios - life
Class Amphibia
The word amphbia comes from Greek origins
Amphibios - double life
This refers to the fact that amphibians live a “double life”……
This refers to the fact that amphibians live a “double life”……
1. Aquatic larva stage
This refers to the fact that amphibians live a “double life”……
1. Aquatic larva stage
2. Terrestrial adult stage
Classification:Kingdom – Animalia
Kingdom – Animalia
Phylum – Chordata
Kingdom – Animalia
Phylum – Chordata
Subphylum – Vertebrata
Kingdom – Animalia
Phylum – Chordata
Subphylum – Vertebrata
Class – Amphibia
Kingdom – Animalia
Phylum – Chordata
Subphylum – Vertebrata
Class – Amphibia (three living orders)
Kingdom – Animalia
Phylum – Chordata
Subphylum – Vertebrata
Class – Amphibia
Order – Anura
Kingdom – Animalia
Phylum – Chordata
Subphylum – Vertebrata
Class – Amphibia
Order – Anura (without tail)
Kingdom – Animalia
Phylum – Chordata
Subphylum – Vertebrata
Class – Amphibia
Order – Anura (without tail) Order – Caudata
Kingdom – Animalia
Phylum – Chordata
Subphylum – Vertebrata
Class – Amphibia
Order – Anura (without tail) Order – Caudata (tailed)
Kingdom – Animalia
Phylum – Chordata
Subphylum – Vertebrata
Class – Amphibia
Order – Anura (without tail) Order – Caudata (tailed) Order – Apoda
Kingdom – Animalia
Phylum – Chordata
Subphylum – Vertebrata
Class – Amphibia
Order – Anura (without tail) Order – Caudata (tailed) Order – Apoda (without legs)
There are three living orders of amphibians….
1. Anura (frogs and toads)
There are three living orders of amphibians….
1. Anura (frogs and toads)
There are three living orders of amphibians….
1. Anura (frogs and toads)
6,200 species
There are three living orders of amphibians….
1. Anura (frogs and toads)
6,200 species
Smallest is approximately ½ inch.
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!
There are three living orders of amphibians….
2. Caudata (salamanders)
There are three living orders of amphibians….
2. Caudata (salamanders)
640 species
There are three living orders of amphibians….
2. Caudata (salamanders)
640 species
Smallest is about 2 inches.
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.
There are three living orders of amphibians….
3. Apoda or Gymnophiona (caecilians)
There are three living orders of amphibians….
3. Apoda or Gymnophiona (caecilians)
Approximately 190 species
There are three living orders of amphibians….
3. Apoda or Gymnophiona (caecilians)
Approximately 190 species
Smallest species is approximately 6 inches.
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.
Amphibian characteristics…..
Amphibian characteristics…..
1. Naked skin (no scales, feathers, or hair)
Amphibian characteristics…..
1. Naked skin (no scales, feathers, or hair)
2. Three chambered heart
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
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.
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”.
Amphibians have never been able to completely remove themselves from water or at least very moist environments.
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.
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.
Amphibians occur on all continents except Antarctica.
Amphibians occur on all continents except Antarctica.
Frogs and Toads
• Australia
• North America
• South America
• Africa
• Europe
• Asia
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.
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
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.
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.
