The symptoms of the disease/virus itself.
<span>The answer could be allopatric or sympatric speciation
depending on the cause of speciation. A population living in the same habitat
could be separated by a physical barrier hence restricting gene flow in the population.
On the other hand, sympatric speciation refers to the formation of different species
from a population that is in the same habitat and geographical area without any
physical separation. This could be due to differences in mating tendencies of individuals
in the population </span>
Answer: Parasitism
Parasitism is an organism harming another organism benefiting itself.
Hope this helps!
- Izzy <3