A virus was introduced to control a rabbit population. At first, the rabbits died in large numbers, but the death rate decreased over time. Which of the following
explains the decrease in the rabbit death rate?
The rabbits that were originally infected with the virus have been dead for many years
Young rabbits learned to avoid being infected with the virus
The lifespan of this virus is too short to affect the rabbits over a long period of time
Natural selection favored rabbits that are resistant to the virus