Why Is a Pathogen Generally More Virulent in a New

question 10

Multiple Choice

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 area so that transmission of pathogens is easily accomplished between hosts.

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