In reality, the distribution of population in India. is highly uneven. The uneven density of population in India is clear from the fact that in Arunachal. Pradesh the average number of population is only 13 persons per square kilometre, whereas it is 9,294. persons per square kilometre in Delhi as per 2001 census.
Embryo vs Fetus. Embryo and fetus are different stages in the human reproduction process. The human life starts when the sperm and ovum (egg) get together to form the fertilized ovum. Fertilized ovum starts to divide and produce more cells. When it starts to divide in to two cells, 8 weeks from fertilization, the period is called embryo period. The dividing cells collectively forms the embryo.
Pregnancy-events from fertizilation until birth. Conceptus-the developing offspring. Gestation period-from the last menstrual period until birth. From fertilization through the 8th week after fertilization is the embryonic period, the conceptus is known as the embryo. The fetal period extends from the 9th week after fertilization through birth, the conceptus is known as a fetus. Accomplishing Fertilization. Fertilization occurs when a sperm fuses with an egg to form a zygote. This usually occurs when the ovum is approximately 1/3 of the way down the uterine tube.