Ch 7.1 and 7.2 Slides

Ch 7.1 and 7.2 Slides

Ecological Footprints and Global Change

Learning Objectives

• What is an ecological footprint?

• How do the ecological footprints of Americans compare to global average?

• What is meant by the Anthropocene Era?

• How do human activities change the global systems?

Multiple Choice

Which would NOT be a part of a person's ecological footprint?

• their home

• the food they eat

• how well they sing

• the trash they produce

Multiple Choice

Industrialized countries have larger ecological footprint averages than non-industrialized countries.

• True

• False

Multiple Choice

When did scientists start to see huge human impacts on the world's biological systems?

• 1950s

• Middle ages

• 2000s

• early 1800s

Multiple Choice

What's the word used to describe an area that humans have altered significantly due to their interaction with the ecosystem?

• biome

• anthrome

• city

• wasteland

Multiple Choice

What is the name given to the current era of huge human impact to our world?

• Stone Age

• Middle Ages

• Romantic Era

• Anthropocene Era

Multiple Choice

Which of the following is NOT one of the global systems?

• biosphere

• hydrosphere

• geosphere

• atmosphere

• all of the above are global systems

Multiple Choice

How does CO₂ emissions affect the earth's temperature?

• Increased CO₂ traps more heat at earth's surface

• Decreased CO₂ causes weather patterns to change

• Decreased CO₂ causes more UV light through the atmosphere

Multiple Choice

What happens to the pH of oceans when more CO₂ is dissolved in the water?

• The pH goes UP and becomes MORE acidic

• The pH goes UP and it becomes LESS acidic

• The pH goes DOWN and it becomes MORE acidic

• The pH goes DOWN and it becomes LESS acidic

Multiple Choice

What is urbanization?

• More people moving to farms in the country

• More people moving to the cities

Multiple Choice

What's it called when habitats are split due to development and often causes habitats to be isolated from others?

• Habitat loss

• Habitat fragmentation

• Habitat restoration

• Habitat splitting

Multiple Choice

What were chloroflourocarbons (CFCs) mainly used for?

• refrigerants and aerosol cans

• making cars more economical

• used in television sets

Multiple Choice

Carbon dioxide emissions from cars in to the atmosphere would be an example of point source pollution.

• True

• False

Multiple Choice

The process by which a chemical can become more and more concentrated as you move up the food chain is called biological magnification.

• True

• False

THE END!!

THE END!!