AnswersFL-2000310-Biology 1 Sem 2 - FlexLab: Interdependence of Organisms

Population Size and Structure Answers

10 verified answers1 views
21
Free Preview

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?

A
density-independent factor
B
density-dependent factor
C
population-dependent factor
D
population-independent factor
22
Free Preview

Which best describes the following impacts: water storage, clean energy, and flood prevention?

A
positive impact of a density-dependent limiting factor
B
positive impact of a hurricane
C
positive impact of beavers in an ecosystem
D
positive impacts of dams on society
23

What will most likely increase if there is a high death rate?

A
immigration
B
emigration
C
birth rate
D
population

Did you find these answers helpful?