Question

1.why is the variation beneficial to the species but not necessary for the individual?

2. How does the embryo get nourishment inside the mother's. body?

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Answer 1

Answer:

1➡Variations are important for species survival because variation causes the organism to overcome extreme situations. Organism species occupy well-defined positions in the ecosystem, utilizing their reproductive capacity.

2➡Embryo derives its nourishment from the mother's blood through the placenta. Placenta contains villi on the side of the embryo and blood vessels surrounding villi on the side of the mother. Oxygen and glucose pass from the mother to the embryo through the placenta.

Explanation:

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Answer 2

Answer:

1. Variations are beneficial to the species than individuals because sometimes, survival will be difficult for a species under certain environmental conditions.

2. Complete answer: The embryo grows inside the mother's womb and gets nourishment from the mother's blood through the tissue called the placenta. The placenta is a temporary organ that connects the developing fetus to the uterine cavity of the mother via the umbilical.

Explanation:

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