protozoan

How To Use protozoan In A Sentence

• Examples include the protozoan Leishmania in sandflies, the plague bacterium Yersinia pestis transmitted by the tropical rat flea Xenopsylla cheopis, and trypanosomes in tse-tse flies.
• In addition to the protozoan in Figure 1.6, several other types were found, including amoebae, other flagellates and ciliates.
• In 1883, he demonstrated that phototaxis of other protozoans toward Euglena was due to light-induced production of oxygen in the latter.
• Schindler says more of a problem are the protozoans that originate from livestock.
• ARS researchers are using new biological controls to retaliate against the mosquito, an insect that can transmit viruses, protozoan parasites, and filariae (small worms).
• Oceans  Shallow ocean waters (euphotic zone) contain a greater concentration of organisms than the rest of the sea  Phytoplankton (algae) is food not only for zooplankton (protozoans and microscopic animals) but also for small fishes  Coral reefs - areas of biological abundance just below the surface in shallow, warm, tropical waters  Chief constituents are stony corals, animals that have a calcium carbonate (limestone) exoskeleton, and calcareous red and green algae  Most of the ocean lies within the pelagic zone  Epipelagic zone lacks the inorganic nutrients of shallow waters, and therefore it does not have as high a concentration of phytoplankton  Animals in the deeper waters of the mesopelagic zone are carnivores, which are adapted to the absence of light,  Waters of the bathypelagic zone are in complete darkness except for an occasional flash of bioluminescent light  Abyssal plain - many invertebrates survive there by feeding on debris floating down from the mesopelagic zone Recently Uploaded Slideshows
• Each year, 300 to 500 million people contract this mosquito-borne protozoan disease, and about one million die.
• It is caused by a protozoan, Trypanosoma brucei, which is transmitted to humans through the bite of a tsetse fly.
• While further work to examine voltage activated channels and membrane excitability in the chromist, alveolate and protozoan groups is clearly required, the simplest explanation for the presence of voltage activated Na PLoS ONE Alerts: New Articles
• Among them are the bell-shaped protozoans called vorticellas that live in fresh or salt water, often in colonies that may contain between five and several hundred organisms.