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Amphibia
Caerulea3 crop
White's Tree Frog, Litoria caerulea
Scientific classification
PhylumChordata
ClassAmphibia

Amphibia is the large family of frogs, salamanders, and caecilians. There are over 6,300 species of amphibians worldwide, with 6,038 frogs & toads, 612 newts & salamanders, and 187 caecilians.[1]

Anatomy and traits Edit

Amphibians are distinguished by their slimy, smooth (or rough and bumpy in the case of some toads) skin, cold-bloodedness, larval stage, and their small, round, fish-like eggs.

RespirationEdit

As tadpoles (The larval stage of amphibians), amphibians breathe through gills, which are slowly replaced by lungs during their growth. In addition to normal respiration, amphibians can breathe through their skin. [2]

ReproductionEdit

Male frogs do not have any external organs for copulation; instead, they go through a process known as amplexus. In amplexus, the male will get on top of the female for an extended period of time, and when the female begins to lay eggs, the male releases sperm to fertilize them.

Taxonomy Edit

Most of the current extant amphibians are in the subclass Lissamphibia, one of 3 subclasses in Amphibia. In it are 3 orders.

[3]

References Edit

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