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