Dinoflagellates

Dinoflagellates (pronounced: /ˌdaɪnoʊˈflædʒəˌleɪts/) are a large group of flagellate protists. They constitute the phylum Dinoflagellata, which is classified under the supergroup Alveolata.

Etymology

The term "Dinoflagellates" is derived from the Greek words dinos meaning "whirling" and flagellum which translates to "whip" or "scourge". This refers to the two flagella that many dinoflagellates possess.

Characteristics

Dinoflagellates are unicellular and possess two dissimilar flagella arising from the nucleus. One flagellum extends towards the posterior, while the other wraps around the cell in a transverse groove. This unique arrangement causes the cell to spin as it moves forward, hence the name "whirling whips".

Many dinoflagellates are known for their ability to form red tides, which can be harmful to marine life and humans. Some species are bioluminescent, producing light when disturbed.

Ecology

Dinoflagellates are found in all types of aquatic environments, including fresh and marine waters. They play a crucial role in marine ecosystems as primary producers and as part of the zooplankton.

Classification

Dinoflagellates are classified under the phylum Dinoflagellata, which is further divided into several classes including Dinophyceae, Noctiluciphyceae, and Syndiniophyceae.

Related Terms

• Flagellum
• Protists
• Alveolata
• Red tides
• Bioluminescence
• Marine ecosystems
• Zooplankton
• Dinophyceae
• Noctiluciphyceae
• Syndiniophyceae

This WikiMD.org article is a stub. You can help make it a full article.