col1,col2 What is the process by which a single cell becomes a fully formed human being?,Development What are the three main stages of prenatal development?,"Germinal, embryonic, and fetal stages" During which stage of prenatal development does the fertilized egg implant itself into the uterine wall?,Germinal stage What is the term for the developing human organism from the second week until the end of the eighth week after conception?,Embryo What is the term for the developing human organism from the ninth week after conception until birth?,Fetus What is the term for the outer layer of cells that will become the structures that nourish and protect the embryo?,Trophoblast What is the term for the inner layer of cells that will develop into the embryo?,Embryonic disc What is the term for the fluid-filled sac that surrounds and protects the developing embryo?,Amniotic sac "What is the term for the organ that connects the developing fetus to the uterine wall, allowing nutrient uptake, waste elimination, and gas exchange?",Placenta "What is the term for the tube that connects the developing fetus to the placenta, providing nutrients and oxygen?",Umbilical cord What is the term for the process by which cells become specialized in structure and function?,Differentiation What is the term for the process by which cells migrate to their appropriate locations in the embryo?,Cell migration What is the term for the process by which cells change shape and position to form different structures?,Cell rearrangement What is the term for the process by which cells die off in certain areas to create specific structures?,Cell death What is the term for the process by which cells multiply and increase in number?,Cell proliferation What is the term for the process by which cells change their function to become more specialized?,Cell specialization What is the term for the process by which cells communicate and interact with each other to coordinate development?,Cell signaling What is the term for the process by which cells change their gene expression to become different cell types?,Cell fate determination What is the term for the process by which cells organize themselves into specific patterns and structures?,Tissue patterning What is the term for the process by which tissues and organs develop their characteristic shapes and sizes?,Morphogenesis