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Biology, 22.06.2019 13:10, mroueh21
Once an egg cell is fertilized by sperm, the cell then, as the embryo develops, it receives nourishment and eliminates wastes by transferring substances from its blood to its mother's blood. a. becomes a fetus immediately and exits the womb b. begins to divide and implants itself in the wall of the uterus c. remains in the uterus without dividing for several months d. travels back to the ovaries until the fetus is developed
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Biology, 22.06.2019 13:50, jahootey3042
The largest unit within which gene flow can readily occur is a
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Biology, 22.06.2019 14:20, fluffyanimal456
As scientist had investigated evolution from a variety fields they have found
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