Answer:
Option (2).
Explanation:
Zygote is formed by the fusion of the male and female gamete during the process of sexual reproduction. The zygote undergoes further development inside the female womb.
The embryonic period starts from the third week after the conception. The important organs and structure development occur during the embryonic period. The formation of three germ layers occur in this period.
Thus, the correct answer is option (2)
I think the answer is either C or D
Even though D and B is basically the same thing . I’m sorry if I’m wrong but I would go with D ...
Answer:
un sapo puede cambiar su sexo a hembra para que puedan reproducirse incluso si no hay ninguna hembra.
Explanation:
Answer:
Your heart rate will increase due to the lack of oxygen.
Hope this helps.
Explanation:
