Does the commonly used herbicide "2, 4-Dichlorophenoxyacetic acid" cause destruction of aquatic organisms, especially the Brown Planarian?

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… a "perfect" herbicide will ever be found, so until the scientists or researches find the "perfect" herbicide, we are left with the second best choice: to practice environmental conservation and ecosystem protection. The Earth has sustained itself for billions of years in perfect equilibrium. Let us not destroy the equilibrium and trash our home. Not only is this are home for today, it is also a home for the millions of years to come.