Which Factor Might Best Explain Why a Pathogen Infecting a Host

question 199

Multiple Choice

Which factor might best explain why a pathogen infecting a host population often undergoes an initial rapid increase, followed by a decrease?

• A) The pathogen becomes less virulent over time.
• B) As the infection spreads, fewer susceptible individuals remain to be infected.
• C) As the infection spreads, not all uninfected hosts are able to be infected.
• D) Infected individuals can no longer transmit the pathogen.
• E) The pathogen becomes more virulent over time.

---

Definitions:

Operating System

Software that manages computer hardware, software resources, and provides common services for computer programs, acting as an intermediary between users and the computer hardware.

Kernel Panic

A critical system error that the operating system cannot recover from. When this happens in macOS, the Mac reboots to return to a stable state.

Kernel

The heart of an operating system, which acts as the controller and interpreter for nearly everything in a system so that hardware and software can interface and work together. It controls memory management, peripherals, and allocating other system resources to processes.

Spotlight

A macOS universal search tool that can locate every file and directory and also search email, contacts, music, and even the web.