Chapter 7 Review

What does biodiversity mean?

• Only one species in an area.
• The different amount of species in an area
• All abiotic life
• Nitrogen fixation

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What is the definition of ecological footprint?

• is the footprint of ecologist
• is a measure of the impact living things have on the environment.
• is a kind of plant that grows in the rainforrest.
• a measure of the impact humans have on the environment.

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What is ecological footprint?

• The spreading of urban areas into rural areas to accommodate an expanding population.

• The act of moving from rural to urban areas.

• The amount of land required (by one person or a population) for waste management, food and transport etc.

• The physical footprint left in the mud after heavy rain.

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Human-altered lands, such as farms and ranches, are examples of________________, as are cities, towns, and suburbs

• Anthromes

• Biomes

• Ecosystems

• Glaciers

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Claire is estimating the portion of his ecological footprint that arises from the food she eats. What property of the food should she measure?

• its cost to Claire or her family

• the carbon dioxide that its production adds to the atmosphere

• the total area of land or water resources that is needed to provide and transport the food

• the total volume of fossil fuels, fertilizer, fresh water, and other resources that are needed to provide the food

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Beverly decides to eat the same kinds of foods as before, but to purchase as many of these foods as possible from local farms. Will her change in purchasing habits affect her ecological footprint?

• Yes, because the resources used for transporting food are included in the ecological footprint.

• Yes, because local farms likely take up more space and use more resources than farms elsewhere.

• No, because she is eating the same foods as before.

• No, because local farms likely take up the same amount of space as farms elsewhere.

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Which statement BEST describes the use of land in the United States?

• Most lands are anthromes, which include all human-altered lands.

• Most lands are natural biomes, which include forests, deserts, and grasslands.

• Anthromes and biomes take up about equal amounts of land.

• Anthromes cover the cities and suburbs, natural biomes cover the remaining lands.

Scientists describe a period called the Great Acceleration, in which human activities began significantly altering global systems. Which of these human activities have occurred during the Great Acceleration and have contributed to global changes? Select the incorrect one

• the invention of agriculture

• the conversion of natural biomes into anthromes

• advances in medical technology that have greatly reduced the human death rate

• the rapid increase in the uses of fossil fuels, fertilizers, metal ores, and other resources

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What kinds of resources make up your ecological footprint?

• waste production

• water and energy use

• food and shelter

• clothing and transportation

• All of the above

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Human activities have altered many natural environments by________________

• monoculture

• deforestation

• pollutants

• smog

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