Why are the phylogenetic relationships for amphibia

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Why are the phylogenetic relationships for Amphibia so contentious? How does this contrast with the challenges for determining phylogenetic relationships of Lepidosauria? Provide three examples of species from different families supporting your argument for Amphibia and for Lepidosauria (Sphenodontia/ Rhynchocephalia & Squamata).

Reference no: EM13145887

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