Question

Typhoid fever is caused by bacteria in contaminated food or drink. In 1903, an outbreak of typhoid fever in Ithaca, New York, killed 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-independent factor


density-dependent factor


population-dependent factor


population-independent factor

Answer 1

Density-dependent factor since the only source of water is the public water which has been shared by the population living in Ithaca and the outbreak of typhoid fever is caused by the contaminated water shared by the residence.

Answer 2

Answer:

B) density-dependent factor