20 1. What is not an example of active
transport?
uptake of ions by root hairs
uptake of glucose by villi
absorption of water by root hairs
reabsorption of glucose by kidney
tubules
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Which of the following is likely not involved in this example of ecological succession? a) the rotting remains of plants add to the fertility of the soil. b)the soil becomes so fertile that eel grass is replaced by other plant species. c) the roots from plants stabilize the sediment, keeping it in place. d) the concentration of salt becomes so high that all plant life is destroyed.