Question

list the following steps of pre - embryonic development in their proper order of occurrence:

instructions

implantation

early blastocyst

ovulation

fertilization

cleavage

morula

Explanation:

Ovulation is the release of an egg from the ovary. Fertilization occurs when the sperm and egg fuse. Cleavage is the rapid cell division of the zygote. The morula is a solid ball of cells formed from cleavage. The early blastocyst is a hollow ball of cells that forms from the morula. Implantation is when the blastocyst attaches to the uterine wall.

Answer:

ovulation, fertilization, cleavage, morula, early blastocyst, implantation