One of the mysteries of the English language finally explained.
- another term for daphnia
- ‘One butt per two gallons of water was enough to be acutely toxic to the freshwater fleas.’
- ‘The organisms used in this test, a species of freshwater flea and fathead minnow, are surrogates for the aquatic community of the receiving waters.’
- ‘This study will employ a new technology to measure large numbers of small molecules in the tissues of two different aquatic invertebrates (a freshwater flea and a marine mussel).’
- ‘Tests on fathead minnows and freshwater fleas indicated the wastewater was toxic to wildlife, the lawsuit said.’
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