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What is dinoflagellate?
Dinoflagellate. Dinoflagellate, (division Dinoflagellata), any of numerous one-celled aquatic organisms bearing two dissimilar flagella and having characteristics of both plants and animals. Most are marine, though some live in freshwater habitats. The group is an important component of phytoplankton in all but the colder seas…
Do dinoflagellates reproduce sexually or asexually?
Dinoflagellates are primarily asexual in reproduction. Some dinoflagellates contain plates of cellulose that lie between the two surface membranes that cover the organism. These plates function as protective armor.
Do dinoflagellates produce bioluminescence?
Dinoflagellates also produce some of the bioluminescence sometimes seen in the sea. Under certain conditions, several species can reproduce rapidly to form water blooms or red tides that discolour the water and may poison fish and other animals.
Why are most dinoflagellates encased in armor?
Most dinoflagellates are encased in plates of armor. Dinoflagellates are surrounded by a complex covering called the amphiesma, which consists of outer and inner continuous membranes, and between which lie a series of flattened vesicles. In armored forms, these vesicles contain the thecal plates, cellulose plates that are the armor.