The zygote divides to form groups of cells that develop into different tissues and organs of the body. This developing structure is termed as ___.
Which stage comes earlier in the development of a human baby from zygote: foetus or embryo?
Give two differences between a zygote, an embryo and a foetus.
Fertilisation results immediately in the formation of:
A. a zygote
B. an embryo
C. a placenta
D. a foetus