Vatican City is home to some of the most famous art in the world. St. Peter's Basilica, whose successive architects include Bramante, Michelangelo, Giacomo della Porta, Maderno and Bernini, is a renowned work of Renaissance architecture.
This is when the baby's brain, spinal cord, heart and other organs begin to form. The embryo is now made of three layers. The top layer â the ectoderm â will give rise to your baby's outermost layer of skin, central and peripheral nervous systems, eyes, inner ears, and many connective tissues. Your baby's heart and a primitive circulatory system will form in the middle layer of cells â the mesoderm.
Best Answer: They are similar. A zygote forms after fertilization. A zygote becomes an embryo which becomes a fetus. An embryo is a multicellular diploid eukaryote in its earliest stage of development.ubmit. Â· just now. Report Abuse. Zygote-The product of fusion of the nuclei of the sperm and egg is called zygote.it is unicellular. Fetus-it is multicellular structure. the stage of the embryo which resembles a human being is called a fetus.