From a flatworm, new clues on animal origins.
Pennisi
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D000818:Animals; D005075:Biological Evolution; D002455:Cell Division; D018509:DNA, Helminth / Q000737:chemistry / Q000235:genetics; D004275:DNA, Ribosomal / Q000737:chemistry / Q000235:genetics; D020459:Genes, rRNA; D007448:Invertebrates / Q000033:anatomy & histology / Q000145:classification* / Q000235:genetics; D010802:Phylogeny; D010986:Platyhelminths / Q000033:anatomy & histology / Q000145:classification* / Q000235:genetics; D012337:RNA, Ribosomal, 18S / Q000235:genetics; D017422:Sequence Analysis, DNA
D018509:DNA, Helminth; D004275:DNA, Ribosomal; D012337:RNA, Ribosomal, 18S