In terms of community ecology, which of the following best explains why pathogens are often more virulent now than in the past?
A) More new pathogens have recently evolved.
B) Host organisms have become more susceptible because of weakened immune systems.
C) Human activities are transporting pathogens into new habitats (or communities) at an unprecedented rate.
D) Medicines for treating pathogenic disease are in short supply.

Question

Quizplus · Accepted Answer

Human activities are increasing the spread of pathogens into new habitats at an unprecedented rate, which can lead to increased virulence as pathogens encounter new host populations without prior exposure or immunity.

In Terms of Community Ecology, Which of the Following Best