Respuesta :
Prenatal stage of a human beyond 8 weeks of development after fertilization.is the answer hope this helps
Answer:
Option A, Prenatal stage of a human up to 8 weeks of development after fertilization.
Explanation:
The stage of development in human being includes the following -
a) Two to three days after fertilization - the fertilized eggs is called as zygote.
b) Three to fourteen days (2 weeks) after fertilization - the growing cell mass at this stage is called as blastocyst.
c) Third to eights week - This stage is known as embryonic development stage and the growing cell mass is known as embryo. During this stage, the cells differentiate and develop to form a baby human.
d) Ninth week to till birth - The newly formed human baby at this stage is known as fetus till it takes birth.
Thus, option A is correct.
