Write 2 differences between zygote, embryo and foetus. The answer should be organised in a table. Please don't send me a link with the answer to a similar query.
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Zygote | Embryo | Foetus |
A zygote is the fertilized egg that will grow into a baby animal. | Zygote when starts dividing after implantation to the uterine wall, it is known as embryo till eight weeks. | Fetus is the term given to the organism from the eighth week of pregnancy till the time of birth. |
When a female's ovum and a male's sperm cell unite, this cell is called the zygote. It is a single cell. | The zygote multiplies, and grows into an embryo. An embryo may be defined as the organism in the earlier stages of the development. It is multicellular. | In humans, the fetal stage of prenatal development starts at the beginning of the 11th week in gestational age. It is also multicellular. |
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