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Matters moves between the living and non living parts of an ecosystem via biogeochemical cycles
True or false
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Click an item in the list or group of pictures at the bottom of the problem and, holding the button down, drag it into the correct position in the answer box. release your mouse button when the item is place. if you change your mind, drag the item to the trashcan. click the trashcan to clear all your answers. show the flow of energy in the following ecosystem by labeling each organism's link in the food chain. click once to select a label. click again to place the label in the correct location.
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Afive-year study was carried out on a population of algae in a lake. the study found that the algae population was steadily decreasing in size. over the five-year period this decrease most likely led to
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How is the expression of surface antigens on red blood cells determined?
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Matters moves between the living and non living parts of an ecosystem via biogeochemical cycles
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