Match each term with the most suitable description.
a. blastomeres form
b. cellular rearrangements form primary tissues
c. eggs and sperm form
d. sperm and egg nuclei fuse
e. cells migrate, change shape, commit suicide
f. tissues, organs emerge in right order, in right places
gamete formation _____
fertilization _____
cleavage _____
gastrulation _____
pattern formation _____
morphogenesis processes _____