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Is Resident biota found on the skin?
Yes, resident biota are organisms that permanently reside on the skin surface, such as bacteria, fungi, and viruses. They play a role in protecting the skin from harmful pathogens and maintaining a healthy skin microbiome.
Is streptococcus a resident biota of the gastrointestinal tract?
It depends on the species. For example, Streptococcus bovis is usually found in the large bowel and it causes infectious endocarditis in people who have some diseases in that organ and have some cardiac abnormality. As for Streptococcus pyogenes, it can be found in the pharynx (throat) of some people as colonizing bacteria, and in others cause disease (amygdalitis), but it's not supposed to be found in most people. Streptococcus pneumoniae, which is the most common cause of pneumonia, sinusitis and otitis media, colonises a large number of infants, and can also cause disease if the conditions are favourable. Streptococcus viridans causes teeth disease and is part of the permanent micro-biota of the mouth; if imbalance occurs, then it can cause some problem. Enterococcus are a group of bacteria that also belongs to the major group of streptococcus, and, as the name says, are found in the large bowel, rarely being a cause of infectious endocarditis or urinary infection (of the bladder).
What is the difference between biosphere and biota?
The biosphere refers to the regions of the Earth's surface and atmosphere where living organisms exist. Biota specifically refers to all the living organisms within a particular region or habitat. In essence, biota is a component of the biosphere.
What type of life form exists in the estuarine biota?
Estuarine biota can include a wide range of life forms such as fish, crabs, oysters, clams, shrimp, and various forms of algae and plankton. These organisms are adapted to the brackish water conditions found in estuaries, which are areas where freshwater rivers meet salty ocean water.
What is the functioin of cilliated cells found in the nose?
Repeling dust and micro organisms and secreating mucos.
