Part 2:: Environmental Science Final

The size of the human population began to increase exponentially after the

• bubonic plague

• development of plowing and irrigation

• Industrial Revolution

• development of the first cities.

After the demographic transition is complete, the transition is marked by ______________.

• birth rates and death rates that are high

• death rates which decline and birthrates that remain high

• birthrates that fall while closing the gap with death rates

• birthrates and death rates which stay about the same size as time passes

Name the type of pyramid in the picture.

• slow growth

• rapid growth

• zero growth

• negative growth

Number of Individuals per unit area

• density-dependent factors
• carrying capacity
• renewable resource
• population density

What type of growth is shown in the diagram?

• exponential growth
• logistic growth 
• predator-prey cycle
• boom-bust curve

Demographic transition is change from high birthrates and high death rates to ______ and ______.

• exponential growth.
• low birthrates and low death rates.
• low birthrates and high death rates.
• high birthrates and low death rates.

Most of the worldwide human population is growing exponentially because ________.

• human populations have not reached their exponential curve.
• most countries have not yet completed the demographic transition.
• human populations do not conform to the logistic model.
• the food supply is limitless.

What three factors can affect ANY population's growth rate?

• Birthrate, death rate, migration
• disease, predation, migration
• medicine, agriculture, industry
• life expectancy, sanitation, vaccines

Which of the following would most likely occur if a population exceeded the carry capacity of the environment?

• The birth rate would likely increase.
• Birth rate would be equal to the death rate.
• The death rate would increase.
• Immigration would increase.

The percentages of individuals found at different age levels make up the ______ of the population.

• carrying capacity
• age structure
• survivorship
• birthrate