Essay
Mammals, birds, reptiles, and amphibians have circulatory systems driven by a pumping heart that transports nutrients, oxygen, and water throughout the body. Plants do not have a pumping heart, yet nutrients and water are transported, even in very large plants like trees. Why is it that plants do not need a pumping heart? What affects the rate at which water is transported through a plant?
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Plants rely on the water potential gradi...View Answer
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