Chapter 16 Human Impact on Ecosystems Human Population

Chapter 16 Human Impact on Ecosystems

Human Population Growth and Natural Resources Air Quality Water Quality 10 10 10 20 20 20 30 30 30 40 40 40 50 50 50 Threats to Conservation Biodiversity

Question 1 - 10 • Resources that cannot be used up or can replenish themselves over time are called _________.

Answer 1 – 10 • Renewable Resources

Question 1 - 20 • Resources that are used faster than they form are called ________.

Answer 1 – 20 • Nonrenewable Resources

Question 1 - 30 • The amount of land necessary to produce and maintain enough food and water, shelter, energy, and waste

Answer 1 – 30 • Ecological Footprint

Question 1 - 40 • People from what type of countries have the smallest ecological footprint

Answer 1 – 40 • Developing

Question 1 - 50 • What was the main resource that was over exploited on Easter Island?

Answer 1 – 50 • Trees

Question 2 - 10 • Any undesirable factor, or pollutant, that is added to the air, water, or soil

Answer 2 – 10 • Pollution

Question 2 - 20 • The type of precipitation produced when pollutants in the water cycle cause rain p. H to drop below normal levels

Answer 2 – 20 • Acid Rain

Question 2 - 30 • The trend of increasing global temperatures is known as _______.

Answer 2 – 30 • Global Warming (Climate Change)

Question 2 - 40 • The type of air pollution caused by the interaction of sunlight with pollutants produced by fossil fuel emissions

Answer 2 – 40 • Smog

Question 2 - 50 • The process of greenhouse gases absorbing infrared radiation is called the _________

Answer 2 – 50 • Greenhouse Effect

Question 3 - 10 • The process of a pollutant accumulating in higher concentrations as it moves up the food chain (to higher trophic levels)

Answer 3 – 10 • Biomagnification

Question 3 - 20 • A species that provides a sign, or indication, of the quality of the ecosystem’s environmental conditions

Answer 3 – 20 • Indicator Species

Question 3 - 30 • Which organism would be most affected by biomagnification? • Corn • Deer • Wolf

Answer 3 – 30 • Wolf

Question 3 - 40 • What pollutant increases in bodies of water in direct correlation with the presence of the bedrock Granite?

Answer 3 – 40 • Mercury

Question 3 - 50 • What type of fat-soluble pollutant harmed developing eggs and affected the nervous system of Forester’s tern (a bird species native to coastal regions)

Answer 3 – 50 • PCBs

Question 4 - 10 • Loss of _______ is one of the main causes of declining biodiversity.

Answer 4 – 10 • Habitat

Question 4 - 20 • _______ species can disrupt stable relationships in an ecosystem by crowding out native species

Answer 4 – 20 • Introduced/Invasive

Question 4 - 30 • ________ occurs when a barrier forms that prevents an organism from accessing its entire home range

Answer 4 – 30 • Habitat Fragmentation

Question 4 - 40 • One method of reducing the impact of habitat fragmentation is to build habitat _______.

Answer 4 – 40 • Corridors

Question 4 - 50 • What type of population caused an estimated $65 million loss of revenue on Australian farms in the 1993 -1994 season?

Answer 4 – 50 • Mice

Question 5 - 10 • ________ is the practice in which natural resources are used and managed in a way that meets the current needs without hurting future generations.

Answer 5 – 10 • Sustainable Development

Question 5 - 20 • The name of a species that gets placed on the endangered species list and as a result of that species being protected benefits many other organisms in the ecosystem.

Answer 5 – 20 • Umbrella Species

Question 5 - 30 • What is the name of the agency created that has paved the way for laws such as the Clean Air Act, Clean Water Act, and Endangered Species Act?

Answer 5 – 30 • Environmental Protection Agency

Question 5 - 40 • What has been the main cause of the depletion of fish populations worldwide?

Answer 5 – 40 • Overfishing

Question 5 - 50 • Name an Umbrella Species and explain why it is considered as such.

Answer 5 – 50 • Manatee • Limiting boating was done to protect the Manatee which also saved seagrass, and the entire ecosystem