Because while you're preagant your have so much presure on it it doesnt have a choice where as weight gain everything grows with it. Think of it this way, if you've ever felt a pregants womans belly its harder than usual. If you touch someones belly that is bigger its more smoshy (I know thats not spelt right)
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.
It would be B. i hope i helped you out, have a nice day
D
Punctuated equilibrium is a series of small, gradual changes over long periods of time.
