write in detail how you can justify echinoderms or hemichordates are more closer to chordates,explain it with detail?.
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This is because of the level of development of this 3 phylum.
Explanation:
- all the three groups of organisms have triploblastic body and have organ system level of organisation. In addition to this they have completely developed alimentary canal. They have performance of complex body functions such as excretion respiration and circulation. In case of hemichordata there is presence of partial notochord. As a result of this there is similarity between the three phylum
To know more,
Who coined the term 'Taxonomy' and 'Systematics' ? - Brainly.in
https://brainly.in/question/13761436
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