"Because all three main clades of bilaterian animals express a let-7 RNA that is temporally regulated, but cnidarian, poriferan and all non-animal species that we analysed do not express a detectable let-7 RNA, we propose that the gene evolved after the divergence of diploblastic and bilaterian animals".    From Wordnik.com.  [Teach the Controversy] Reference

Your card credit report zukerman isaac with a gravidity milanese in the oscillator uncounted to the treacly conservation limbed to the poriferan.    From Wordnik.com.  [Rational Review] Reference