When is an embryo called a foetus?
Embryo:
Give two differences between a zygote, an embryo and a foetus.
Define foetus. After how many weeks of development, a human embryo is said to become a foetus?
Fertilisation results immediately in the formation of:
A. a zygote
B. an embryo
C. a placenta
D. a foetus
Which stage comes earlier in the development of a human baby from zygote: foetus or embryo?