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?
Predict what might happen to a population that is experiencing little immigration and emigration, low birth rate, and high death rate.
What will most likely increase if there is a high death rate?
Which best describes the following impacts: water storage, clean energy, and flood prevention?
Colorado has a vast population of lodgepole pines. A population of lodgepole pines has been killed in a section of the forest. What is a possible limiting factor of that population?
A square kilometer of forest has 200 deer. What is the term that is used to describe this number?
In August 2005, Hurricane Katrina caused significant damage in several states along the Gulf Coast, including Alabama, Mississippi, and Louisiana. Thousands of people were evacuated from their homes due to flooding and other damage that was caused by the storm. Which type of limiting factor was Hurricane Katrina?
Poison dart frogs live in the rainforest. They produce a poison by eating toxic fire ants. The only known predator is a snake, Liophis epinephelus. Which is most likely a density-independent factor that affects the poison dart population in the rainforest?
Which human activity can produce disruption of fish breeding habits, increase in mosquito population, and flood control?
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