Examlex
Scientists estimate that most species have never been named because approximately _______ living species and _______ fossil species have been described.
Reservoir
A natural or artificial lake used as a source of water supply, or a reserve source where fluid is stored in a medical context, such as a reservoir bag in anesthesia.
Portals
Websites or online platforms that provide access or gateways to information, services, or other web resources.
Transmission
The process by which an infectious agent is spread from one individual or object to another, often referring to the spread of diseases.
Susceptible Host
An individual or organism lacking resistance to a disease or infection, making them more likely to become infected.
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