(Choice A) A community A contains more resources per individual then Community B
Explanation:
Spillover infection, also known as pathogen spillover and spillover event, occurs when a reservoir population with a high pathogen prevalence comes into contact with a novel host population. The pathogen is transmitted from the reservoir population and may or may not be transmitted within the host population.
No they can not unlike humans and animal
They cant be faster because they have smaller fins but thats just my logic hope i helped
