Question

Match the time frame of prenatal growth with the name of the developing organism.

Answer 1

Answer:

1) C

2) B

3) A

Explanation:

A zygote is the amalgamation of both sperm cell and the egg cell. The zygote commences as a single cell but divides swiftly in the days resulting fertilization. However period of the zygote is quite transitory, lasting for nearly four days. Around the fifth day, the mass of cells becomes identified as a blastocyst. The germinal period lasts almost fourteen days after which the embryonic period begins. After two-week period of cell division, the zygote lastly develops an embryo. On the ninth week post-conception, the fetal period starts. From this point till birth, the organism is known as a fetus.