From the second month after conception until birth, the developing organism is known as a(n) ________.

A) fetus
B) placenta
C) neonate
D) embryo

Developing Organism

An entity, typically in the early stages of physical and biological formation, particularly prior to birth.

Conception

The process of fertilization where a sperm cell merges with an ovum, leading to the formation of a zygote and the start of pregnancy.

Fetus

A developing mammal after the embryonic stage and before birth, particularly in humans from the ninth week of pregnancy until birth.