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- All extant (living) amphibians belong to the monophyletic subclass Lissamphibia, with three living orders: Anura (frogs and toads), Urodela (salamanders), and Gymnophiona (caecilians).
en.wikipedia.org/wiki/Amphibian
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Sep 14, 2024 · The name amphibian, derived from the Greek amphibios meaning “living a double life,” reflects this dual life strategy—though some species are permanent land dwellers, while other species have a completely aquatic mode of existence. Approximately 8,100 species of living amphibians are known.
- General Features
The three living orders of amphibians vary greatly in size...
- Larval Stage
Amphibian - Larvae, Metamorphosis, Adaptations: Amphibian...
- Evolution and Classification
Amphibian - Evolution, Classification, Adaptation: Appearing...
- Gymnophiona
Of the three amphibian orders, only caecilians have an axial...
- Lissamphibian
Other articles where lissamphibian is discussed: amphibian:...
- Caudata
Caudata, one of the major extant orders of the class...
- Anura
frog and toad, (order Anura), amphibians belonging to the...
- All About Amphibians
Take this Amphibian Quiz at Encyclopedia Britannica to test...
- General Features
- Apoda
- Urodela
- Anura
Apoda means “without legs”.These are limbless organisms with scales on their body.They are also known as “blind-worms” because their eyes are covered by skin or bone.The tentacles on their head are the chemosensory organs that help them to detect the underground prey. Eg., CaeciliansThey possess venom glands.These are the organisms with a tail.The body is elongated with four equally sized limbs.The skin is smooth with poison glands.Fertilization is internal.There are around 3400 species of Anura in the world.They have four limbs. The front limbs are elongated and modified to jump.The head and trunk are fused together.The tail is present only in the larval stage and is lost in the adults.Amphibians are ectothermic, anamniotic, four-limbed vertebrate animals that constitute the class Amphibia. In its broadest sense, it is a paraphyletic group encompassing all tetrapods excluding the amniotes (tetrapods with an amniotic membrane, such as modern reptiles, birds and mammals).
Jul 9, 2024 · They are a paraphyletic group belonging to the class Amphibia. All living amphibians belong to the subclass Lissamphibia, which contains three orders: Anura (frogs and toads), Urodela (salamanders), and Gymnophiona (caecilians, the legless amphibians).
Amphibians are cold-blooded, vertebrate animals that have an aquatic phase of life (spent in water, breathing through gills) and a terrestrial phase of life (living on land, breathing with lungs). Cold-blooded means that an amphibian can’t generate its own body heat.
Amphibians are vertebrates (animals with backbones) who were actually the first four-limbed vertebrates to walk the Earth. They are cold-blooded, with their body temperature being regulated by their surrounding temperature.
Amphibians are small vertebrates that need water, or a moist environment, to survive. The species in this group include frogs, toads, salamanders, and newts. All can breathe and absorb...
