Asked by dan
According to the cladogram, which group of organisms is the closest relative to chordates?
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GPT-5 mini
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I don’t see the cladogram you’re referring to — could you upload or describe it?
If it’s the standard animal tree, the closest relatives of chordates are the deuterostome Ambulacraria — i.e., echinoderms (and their sister group, the hemichordates). In many simplified diagrams this is given as “echinoderms.”
If it’s the standard animal tree, the closest relatives of chordates are the deuterostome Ambulacraria — i.e., echinoderms (and their sister group, the hemichordates). In many simplified diagrams this is given as “echinoderms.”
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