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Multiple Answer

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Which of the following statements about unresolved nodes in a phylogenetic tree is$/$are correct?

Unresolved nodes are indications that the researchers lacked enough data to differentiate relationships between lineages

Depending on the data used to develop a phylogeny, one phylogeny may have no unresolved nodes while another phylogeny of the same group of species may have unresolved nodes

If a phylogeny has an unresolved node, then we cannot draw any statistically significant conclusions about the phylogeny

An unresolved node indicates that the researchers were looking at polyphyletic groups when developing the phylogeny

An unresolved node is called a polytomy