Typhoid fever is caused by bacteria in contaminated food or drink. In 1903, an outbreak of typhoid fever in Ithaca, New York, ki
lled almost 80 people. In addition, more than 1,000 Ithaca residents became sick with the disease. The population shares the public water source. Which type of limiting factor was involved in the typhoid outbreak that occurred in Ithaca?
Density dependent limiting factor is only relevant where carrying capacity exceeded in a particular habitat . Density dependent factor is a factor that limiting the population size whose effect depend on the number of individuals or people in a population.
Densely packed populations can easily read the disease such as typhoid due to close proximity to one another of the individuals of the population.
Thus, the correct answer is - density dependent factor.
