Amphibians

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by miknewt
Last updated 4 years ago

Discipline:
Science
Subject:
Zoology

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Amphibians

AmphibiansBy: Mikayla Newton

Frogs and Toads.Live almost EVERYWHEREAs tadpoles, they have tails and gills, but lose these when they reach adulthood.Vocalization is key!

ANURA

Key Terms:Amplexus: the positioning of the male and female during fertilizationLiddsmphibia: all amphibious species still alive todayTetrapods: All amphibians and other animals that are extinct

CAUDATA

GYMNOPHIONA

CHARACTERISTICS:All Amphibians have a *Buccal Pump, which functions in lung ventilation. Also, they use *Buccopharyngeal Respiration to rid their bodies of gases across the moist linings of the mouth and pharynx on the animal, whereas *Cutaneous Respiration rids the body of gases across the moist skin. They are *Ectothermic, which means they are cold blooded and must find ways to keep warm.

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Did you know that many Amphibians can produce a toxin in their skin to help deter predators from attacking them?

Almost all Amphibians start life out as aquatic larvae. They go through a form of metamorhposis and leave to water to become more terrestrial. As larva, they are herbivores, but they become carnivores when they complete metamorphosis. They gain a tongue that is specialised in catching live, fast prey. Also, they gain a nicitating membrane on the eye, which protects the cornea from debris and keeps the eye itself moist.

Salamanders and NewtsHold a tail throughout life2 Pairs of legsLive in moist forest floorsInternal Fertilization

CaeciliansLook like giant wormsAppear segmented, but it's just skin foldsOnly live in TROPICAL regions

Fire Salamanders get their names from the fact they were first seen running out oflogs that were on fire!


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