dinoflagellates A division (Dinoflagellata) of protists that are heterotrophs but closely allied to brown algae and diatoms (they are sometimes classified as algae). Many have brown or yellow …

May 29, 2018 · Red tide Red tide is the common name for phenomenon created when toxic algal blooms turn seawater red, killing marine life and making water unsuitable for human or animal use. …

Pfiesteria Pfiesteria piscicida (fee-STEER-ee-uh pis-kuh-SEED-uh) is a microscopic, polymorphic organism that belongs to a group of single-celled, free-swimming phytoplankton called …

Jun 27, 2018 · Pyrrophyta are mostly unicellular microorganic Protists divided by botanists in two phyla, dinoflagellates and criptomonads. The taxonomic classification of Pyrrophyta is disputed by some …

Jun 27, 2018 · Protista (Protoctista) A kingdom in the domain Eucaryota that comprises single-celled, eukaryotic organisms (see eukaryote) that may resemble animals or plants. Naked and shelled …

Jun 11, 2018 · Dinoflagellates. Dinoflagellates are unicellular algae with armor made of cellulose and flagella that cause them to spin as they swim. Dinoflagellates are found in both freshwater and …

These symbionts are usually dinoflagellates, called "zooxanthellae"; however, green algae symbionts ("zoochlorellae") are also known. Most shallow-water, reef-building corals contain zooxanthellae, and …

Dinoflagellida (Dinophyceae, Pyrrophyta, dinoflagellates; subphylum Sarcomastigophora, superclass Mastigophora) An order of protozoons that are heterotrophs Source for information on Dinoflagellida: …

Jun 27, 2018 · Endosymbiosis Once considered a relative rarity, endosymbiosis, the living together of one organism inside another, has increasingly become recognized as a major factor in the evolution …

May 23, 2018 · The giant clam can grow to lengths of 1.2 meters (4 feet) and is unusual in that it harbors algae (e.g., dinoflagellates) within its tissues. The algae obtain shelter and protection from their host, …