planktonic algae

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Noun1.planktonic algae - unicellular algae
phytoplankton - photosynthetic or plant constituent of plankton; mainly unicellular algae
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Najaf / NINA / A PhD thesis for researcher Shaima Jabbar from the Department of Life Sciences, Faculty of Science at the University of Kufa, revealed on Monday ten kinds of planktonic algae are recorded for the first time in Iraq.
Their penchant for planktonic algae threatens to grossly imbalance whatever aquatic ecosystem they encounter.
The Marine planktonic algae Pseudo-nitzschia delicatissima, Thalassisira weissflogii, and Tetraselmis viridis are able to grow using urea and glycine as a sole source of nitrogen.
In the deep waters of lakes where rooted plants are unable to grow because sunlight does not penetrate to the bottom, it is the protistan community of planktonic algae and protozoa that underlies the lake's productivity.