Why is a pathogen generally more virulent in a new habitat?
A) More pathogens tend to immigrate into newer habitats.
B) Intermediate host species are more motile and transport pathogens to new areas.
C) Pathogens evolve more efficient forms of reproduction in new environments.
D) Hosts in new environments have not had a chance to become resistant to the pathogen through natural selection.
E) New environments are almost always smaller in area so that transmission of pathogens is easily accomplished between hosts.
Mutualisms, such as those that occur among plants and pollinators, generally involve large numbers o
Tri parti-colored (white, brown and black) guinea pig in its natural habitat.
The tolerance of male lions towards the cubs varies. They are, however, generally more likely to sha
Pathogens and artificial fingernails
Fungal Pathogens
Plasmodium, a protist pathogen that causes malaria