• Deuterostomes derive their ________ from the second opening of the gastrula. mouth X anus coelom endoderm ectoderm ch32/deuterostome.html
  • _IM4_32_09tDeutDevelopmentC.jpg:Deuterostomes derive their ________ from the first opening (blastopore) of the gastrula. mouth anus X coelom endoderm ectoderm ch32/deuterostome.html