Copper algicides contact which organisms?

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Multiple Choice

Copper algicides contact which organisms?

Explanation:
Copper algicides are contact poisons that affect organisms relying on photosynthesis. They work by releasing copper ions that disrupt photosynthetic processes and essential enzymes, particularly in algae and some submerged aquatic plants (macrophytes). Because they target the light-using, photosynthetic machinery, these products mainly affect algae and certain macrophytes that are touched by the treatment. They are not designed to kill fish, and while copper can be toxic to some bacteria or zooplankton at higher concentrations, the primary action of copper algicides is on algae and some macrophytes.

Copper algicides are contact poisons that affect organisms relying on photosynthesis. They work by releasing copper ions that disrupt photosynthetic processes and essential enzymes, particularly in algae and some submerged aquatic plants (macrophytes). Because they target the light-using, photosynthetic machinery, these products mainly affect algae and certain macrophytes that are touched by the treatment. They are not designed to kill fish, and while copper can be toxic to some bacteria or zooplankton at higher concentrations, the primary action of copper algicides is on algae and some macrophytes.

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