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Lecture
From Page A1
subgroup of plankton called dinoflagellate. What is common to the dinoflagellates is their chemical attraction toward specific prey. A noteworthy exception with Pfiesteria is that it is stimulated from its harmless stages into its toxic one by many different kinds of fish.
This organism is so small 1,000 of them could fit on the head of a pin and it requires an electron microscope to make an accurate visual identification. Due to recent concern and funding, knowledge about the dinoflagellates is rapidly expanding.
What is unusual about Pfiesteria is that it can act like both a plant (called phyloplankton) and an animal (zooplankton) during the various
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