What is the relationship between the annelids, arthropods

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Animal phylogeny: compare the two trees discussed

1-which phylum (named group at the end of a branch) is the most ancient or basal of all animals?

2- what is the relationship between the Annelids, Arthropods and Nematodes?

Reference no: EM13115199

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What is the relationship between the annelids, arthropods : which phylum (named group at the end of a branch) is the most ancient or basal of all animals?

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