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The black rat is a reservoir host for bubonic plague. The rat fleas that infest the rats are vectors for the disease. In biology and medicine, a host is a larger organism that harbours a smaller organism; [1] whether a parasitic, a mutualistic, or a commensalist guest . The guest is typically provided with nourishment and shelter.
Trophozoites are often found in the host's body fluids and tissues and in many cases, they are the form of the protozoan that causes disease in the host. [ 2 ] In the protozoan, Entamoeba histolytica it invades the intestinal mucosa of its host, causing dysentery, which aid in the trophozoites traveling to the liver and leading to the ...
This glossary of biology terms is a list of definitions of fundamental terms and concepts used in biology, the study of life and of living organisms.It is intended as introductory material for novices; for more specific and technical definitions from sub-disciplines and related fields, see Glossary of cell biology, Glossary of genetics, Glossary of evolutionary biology, Glossary of ecology ...
Dividing T. gondii parasites. Toxoplasma gondii (/ ˈ t ɒ k s ə ˌ p l æ z m ə ˈ ɡ ɒ n d i. aɪ,-iː /) is a species of parasitic alveolate that causes toxoplasmosis. [3] Found worldwide, T. gondii is capable of infecting virtually all warm-blooded animals, [4]: 1 but felids are the only known definitive hosts in which the parasite may undergo sexual reproduction.
Generally, if a virus kills its host too quickly, the host will not have a chance to come in contact with other hosts and transmit the virus before dying. In serial passage, when a virus was being transmitted from host to host regardless of its virulence, such as Subbaro's experiment, the viruses that grow the fastest (and are therefore the ...
A holobiont is a collection of closely associated species that have complex interactions, such as a plant species and the members of its microbiome. [2] [9] Each species present in a holobiont is a biont, and the genomes of all bionts taken together are the hologenome, or the "comprehensive gene system" of the holobiont. [10]
Host tropism is the infection specificity of certain pathogens to particular hosts and host tissues. This explains why most pathogens are only capable of infecting a limited range of host organisms. This explains why most pathogens are only capable of infecting a limited range of host organisms.
Also in 2016, Quizlet launched "Quizlet Live", a real-time online matching game where teams compete to answer all 12 questions correctly without an incorrect answer along the way. [15] In 2017, Quizlet created a premium offering called "Quizlet Go" (later renamed "Quizlet Plus"), with additional features available for paid subscribers.