• At which stage would one be able to first distinguish a diploblastic embryo from a triploblastic embryo? fertilization cleavage gastrula X dracula blastula ch32/embryonic.html
  • Among the characteristics unique to animals is gastrulation. X multicellularity. sexual reproduction. flagellated sperm. heterotrophic nutrition. ch32/embryonic.html
  • Cleavage of the zygote results in the formation of a ________, a hollow ball of cells. dracula macula blastula X gastrula occula ch32/embryonic.html