Why is a pathogen generally more virulent in a new habitat? A. Intermediate host species are more motile and transport pathogens to new areas. B. Pathogens evolve more efficient forms of reproduction in new environments. C. Hosts in new environments have not had a chance to become resistant to the pathogen through natural selection. D. New environments are almost always smaller in the area so that transmission of pathogens is easily accomplished between hosts.

Respuesta :

Correct answer is C. Pathogen is generally more virulent in a new habitat  as Hosts in new environments have not had a chance to become resistant to the pathogen through natural selection.

Why are pathogens generally more virulent?

The virulence, environmental persistence, and distribution of habitat quality in the host metapopulation of the pathogen. According to this concept, high-quality habitat might act as an ecological trap for viruses with intermediate levels of dissemination and can be less favorable for host persistence than low-quality habitat.

When managing animal populations exposed to an environmentally persistent infection, it is crucial to take into account how spatial structure and pathogen transmission interact. This inversion of the relative contributions of high- and low-quality habitat makes this point clear.

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