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In lecture, I mentioned most lakes are phosphorus limited. However, the most severely eutrophic lakes are often nitrogen limited, Explain how intense phytoplankton production can cause lakes to flip from being phosphorus limited to being nitrogen limited. Mention hypoxia, cyanobacteria, nitrogen-fixation, iron-redox reactions, sediment phosphorus release and denitrification.
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Which best example best demonstrates the importance of having knowledge of evolutionary relationships? a. illustration of a plant b.organ transplantation between species c. blood donation from a human d. do you need sequence of an insect.
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