Chapter 7 Content Review Part 1

What is an ecological footprint?

• The total area of unhealthy land and water ecosystems

• The total area of land and water ecosystems needed for urbanization

• The total area of land and water ecosystems needed for industrial development

• The total area of healthy land and water ecosystems needed to provide the resources you use

What does the term 'Anthropocene' refer to?

• A period of time when humans were not present on Earth

• A period of time when humans did not have a significant impact on global systems

• A period of time when humans started accelerating their impact on global systems

• A period of time when global systems were not affected by human activities

What is the main cause of ocean acidification?

• Higher levels of nitrogen in the air and in saltwater

• Higher levels of oxygen in the air and in saltwater

• Higher levels of methane in the air and in saltwater

• Higher levels of carbon dioxide in the air and in saltwater

What is the impact of deforestation on soil quality?

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What is the purpose of reforestation?

• To restore ecosystems and improve water quality

• To decrease biodiversity

• To increase soil erosion

• To reduce water quality

What is the main drawback of monoculture?

• It decreases disease in crops

• It increases biodiversity

• It has no impact on soil quality

• It damages soil and requires lots of fertilizers

What is the main cause of nitrogen enrichment in the air?

• Deforestation

• Burning fossil fuels

• Ocean acidification

• Monoculture

What is the impact of habitat fragmentation?

• It causes biodiversity loss and makes ecosystems less vulnerable to other disturbances

• It causes biodiversity loss and makes ecosystems more vulnerable to other disturbances

• It has no impact on biodiversity

• It increases the resilience of ecosystems

What is the purpose of CITES?

• To ban international trade on products from endangered species

• To reduce the ivory trade

• To increase the ivory trade

• To promote international trade in endangered species

What is the main impact of overfishing?

• It causes a huge problem for some species such as COD

• It has no impact on fish populations

• It has no impact on endangered species

• It increases the population of fish