Hmmmm... interesting to ask the question that way... OK... at least for an aquatic system... If primary consumers are eliminated then primary producers may well experience uncontrolled growth. Uncontrolled growth (called a "bloom) most often results in nutrient depletion. Nutrient depletion may result in a crash (death) of the primary producer population. The dead biomass is broken down by oxygen-demanding decomposers. Oxygen depletion leads to hypoxia and anoxia, and the system goes to hell in a handbasket. Added: Yah, it makes a big difference if it's aquatic or not. In a terrestrial ecosystem the elimination of primary consumers would just result in an accumulation of debris from primary production. Leaf litter, wood etc. That, too, would be taken care of by decomposers. But it would not affect local O2 concentrations. In fact, it might result in a wicked rich soil. So even more primary producers would do very well.
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"Whitened oxidation, Albugo candida fungus can be a types coming from spouse and children Albuginaceae; however, all the other variety within this family unit are known as ""white decay."" Such as some other normal water moulds which are grow infection, it is sometimes termed as candida, while drinking water fits are certainly not classified ad from the land Fungus. "
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