Which is the definition of an embryo?
a. prenatal stage of a human up to 8 weeks of development after fertilization.
b. prenatal stage of a human beyond 8 weeks of development after fertilization.
c. prenatal stage of a human up to 9 months of development after fertilization.

The correct answer is option A.

Explanation:

The embryo can be defined as an organism is in the early stages of growth and differentiation, from 2nd week of fertilization up to the 8th week or end of the second month of pregnancy.

After the 8th week of the embryo development or 11th week from fertilization is termed as the fetus.

Thus, the correct answer would be option A.

"griffith's experiment discovering the "transforming principle" in pneumococcus bacteria. griffith's experiment, reported in 1928 by frederick griffith, was the first experiment suggesting that bacteria are capable of transferring genetic information through a process known as transformation." - griffith's experiment.

it would affect precipitation by causing flooding in some areas of the world due to climate increasing, causing the glaciers in the northern and southern pole of our planet to melt.

i wish you would have provided choices to simplify it and allow me to give an exact answer.