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Amphibian
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MA0OL5AE6FC
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Geliefert zwischen Mi., 29.04.2026 und Do., 30.04.2026
Details
Amphibians (class Amphibia), such as frogs, toads, salamanders, newts, and caecilians, are ectothermic (or cold-blooded) animals that metamorphose from a juvenile water-breathing form, to an adult air-breathing form. Though amphibians typically have four limbs, the Caecilians are notable for being limbless. Unlike other land vertebrates (amniotes), amphibians lay eggs in water. Amphibians are superficially similar to reptiles. Amphibians are ecological indicators, and in recent decades there has been a dramatic decline in amphibian populations around the globe. Many species are now threatened or extinct. Amphibians evolved in the Devonian Period and were top predators in the Carboniferous and Permian Periods, but many lineages were wiped out during the Permian-Triassic extinction. One group, the metoposaurs, remained important predators during the Triassic, but as the world became drier during the Early Jurassic they died out, leaving a handful of relict temnospondyls like Koolasuchus and the modern orders of Lissamphibia.
Weitere Informationen
- Allgemeine Informationen
- GTIN 09786130265090
- Editor Frederic P. Miller, Agnes F. Vandome, John McBrewster
- Sprache Englisch
- Größe H220mm x B150mm x T10mm
- Jahr 2009
- EAN 9786130265090
- Format Fachbuch
- ISBN 978-613-0-26509-0
- Titel Amphibian
- Untertitel Frog, Toad, Salamander, Newt, Caecilian, Metamorphosis, Reptile, Amniote, Ecological indicator, Decline in amphibian populations, Devonian, Carboniferous
- Gewicht 256g
- Herausgeber Alphascript Publishing
- Anzahl Seiten 160
- Genre Biologie
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