An advantage of a tall plant is that it gets more sun than if it were a smaller plant.
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The stem cells possessing the characteristic of self-renewal and limited differentiation are present in the amniotic fluid.
The cells present in the amniotic fluid are capable of forming a wide array of different cells. However, they are not pleuripotent, but when grown in the right environment they can form brain, liver, fat, blood vessels, bone and muscle cells.
Hence, the answer is 'Option C - amniotic fluid'.