Ecological Footprints

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 a person for waste management, food and transport etc.

• It is a measure of the impact living things have on the environment

Answer explanation

Ecological footprint is the amount of land required by a person for waste management, food, and transport. It measures the impact individuals have on the environment.

What is urban sprawl?

• The sprawl of people from rural areas to urban areas.

• The main city centre in an urban area.

• The spreading of rural areas into surrounding rural areas to accommodate the need for extra land space due to a rise in ecological footpint.

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

Answer explanation

Urban sprawl refers to the spreading of urban areas into surrounding rural areas to accommodate an expanding population.

Tags

NGSS.MS-ESS3-4

NGSS.MS-LS2-5

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

Answer explanation

To estimate the ecological footprint from food, Claire should measure the total area of land or water resources needed to provide and transport the food.

Tags

NGSS.MS-LS2-3

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.

Answer explanation

Choosing local farms reduces transportation resources, thus decreasing ecological footprint.

Tags

NGSS.MS-ESS3-4

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

Answer explanation

The correct choice is 'All of the above'. The ecological footprint is made up of waste production, water and energy use, food and shelter, clothing and transportation.

Tags

NGSS.MS-ESS3-4

NGSS.MS-LS2-1

Many lands are now fields where only one farm crop is grown, an example of a(n)

• monoculture

• deforestation

• ozone layer

• smog

Answer explanation

Monoculture refers to the practice of growing only one crop on a large scale. This leads to the loss of biodiversity and can have negative environmental impacts.

Tags

NGSS.MS-LS2-1

what is resilience?

• ability to recover after a disturbance

• ability to change

• ability of keystone species to maintain balance in the ecosystem

• ability to reduce consumption of resources

Answer explanation

Resilience is the ability to recover after a disturbance. It refers to the capacity to bounce back from challenges or setbacks.

Scientists define the current period of time as the Anthropocene, or "age of humans." Which statement best describes the role of humans during the Anthropocene?

• Humans are the most numerous species on Earth.

• Humans live in all habitats where life exists.

• Human activities have become the major cause of global change.

• Human activities are achieving the goal of maintaining the Anthropocene indefinitely.

Answer explanation

Human activities have become the main cause of global change during the Anthropocene.

Tags

NGSS.MS-ESS3-3

NGSS.MS-ESS3-4

NGSS.MS-ESS3-5

Which of these is a good method for reducing your ecological footprint?

• Save energy, food, water, shelter, and produce less waste such green house gases and sewage.

• Drive less, fly less, turn off lights

• Compost and live in a smaller house

• All of the above

Answer explanation

Reducing ecological footprint involves saving energy, food, water, shelter, and producing less waste like greenhouse gases and sewage. Driving and flying less, turning off lights, composting, and living in a smaller house are effective methods. Therefore, the correct choice is 'All of the above'.

Tags

NGSS.MS-ESS3-4

NGSS.MS-LS2-5

Which of the following describes the anthropocene?

• the age of the dinosaurs

• the age of humans

• the age of mammals

• the age of reptiles

Answer explanation

The anthropocene refers to the age of humans, distinguishing it from other geological epochs.