1/2 of a radioactive substance will remain after 3 half lives.
the answer to your question is POLLUTION
Host-pathogen interactions, emphasizing issues such as the host immune response upon infection, and the mechanism of pathogen transmission in the investigation and analysis of the different stages of infection.
<h3>Pathogen </h3>
The severity of the disease symptoms is referred to as virulence, and a pathogen is an organism that causes disease in its host. Pathogens are diverse in terms of taxonomy and include bacteria, viruses, and both single- and multicellular eukaryotes. Pathogens impact all living things, including bacteria, which are the target of specialist viruses called phages.
There are countless bacteria and viruses on the planet, and they live in virtually every environment. Over ten billion bacteria and one hundred billion viruses are generally present in one liter of surface seawater.
Learn more about Pathogen here:
brainly.com/question/13051879
#SPJ4
Answer:
Macroinvertebrates serve several important functions within the aquatic environment:
They provide a valuable "cleaning" service by scavenging dead or decaying bacteria, plants, and animals, which helps recycle nutrients back into the system.
They are an important food for fish, birds, amphibians and reptiles.
Explanation:
the list could go on and on.