During the embryonic period, ____. a the fetus is born b the zygote attaches itself to...
During the embryonic period, ____.
a the fetus is born
b the zygote attaches itself to the wall of the uterus
c cells divide and differentiate into bone, muscle, and organs
d the ovum is fertilized
Homework Answers
Embryonic stage comes after the stage of implantation. Expansion in size of embryo also starts taking place in this stage. When embryo gets fully developed then it enters into the stage of fetal development.
First option is saying that fetus is being born in embryonic stage which is incorrect. Hence first option i.e. option a is wrong.
It is the embryo which gets attached with the wall of uterus. This stage is known as stage of implantation. Hence, second option i.e. option b, is also an incorrect option.
Ovum is being fertilised in Fallopian tube of female reproductive system. This stage is known as the stage of fertilisation. Hence fourth option i.e. last option d; is also incorrect option of this question.
Embryonic period is the stage in which various organs are formed. Embryo contains various newly formed organs. After the organs have been formed it starts growing. Hence, third option i.e. option c is the right answer of this question.
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