What would likely happen to the green algae populations if excess fertilizer entered the lake through runoff?
The green algae population would increase.
The green algae population would decrease.
The green algae population would stay the same.

a compound light microscope is used to magnify objects in steps.  

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wild parsnip is a perennial plant which reproduces rapidly in areas which have no sign of agricultural activity such roadside or at no tillage open areas. it's considered invasive because it can inhibit the growth of another plant  and its reproduction is fast. there are several harmful effects of this invasive plant although its taproot is edible since it is a member of the carrot family. wild parsnips can cause skin blistering when in contact because of the chemicals it contains, second it inhibits the growth of other plants, it will restrict the growth of animals when eaten and lastly, it drives away natural pollinators like bees.