Natural scienceBioinformaticsBioinformatics algorithmsPhylogenetics

Phylogenetic tree construction

Acoustic communication across tetrapods

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Check all true hypotheses that correspond to the following figure. It's a phylogenetic tree of Tetrapoda with annotation on presence of acoustic communication. The picture is adapted from the original paper.

Phylogenetic tree of Tetrapoda with annotation on presence of acoustic communication

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Acoustic communication presents predominantly in nocturnal animals (frogs, salamanders [not depicted on the tree], mammals, gekkotans). Not all birds are considered to be nocturnal animals. Though acoustic presents in birds group.

Acoustic communication is quite stable during evolutionary history. Only a few losses are seen (not depicted on the tree).

Acoustic communication emerged independently several times across major tetrapods groups.

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