Wednesday, February 22, 2012

Muddy invertabrate

My Muddiest point is why we are so closely related to echinoderms and not other invertebrates
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1 comment:

  1. AnonymousFebruary 23, 2012 at 5:23 PM

    because have more things in common with echinoderms then other phylas. things like digestive tubes. but we are different then echinoderms because of segmentaion.

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