Earth's Ecosystem and Climate Change

When new roads are built, what will most likely be the effect on the habitat the road is being built in?

• Animal populations will increase.

• Soil erosion will decrease to a slower rate

• Plant and Animal populations will decrease.

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When a chemical wipes out all the plants and producers in an area, what populations are most likely to be affected and decrease in population immediately as a result?

• Organisms that directly eat the plants/producers.

• Organisms at the top of the food web

• Decomposers

• All of these

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When weather patterns change over a long period of time, we call it ___

• climate adaptation
• weather change
• climate change
• weather adaptation

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A characteristic that helps an organism live in its environment is called ___

• a configuration
• a mutation
• an adaptation
• a translation

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What do we call the gases that are trapping more heat close to the Earth, acting like a blanket?

• greenhouse gases

• oxygen and carbon dioxide

• nitrous oxide and methane

• greenhouse effect

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Which of the following have been linked to climate change?  

• droughts
• flooding
• melting of polar ice caps
• all of the above

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The main human activity that releases greenhouse gases is

• overuse

• burning fossil fuels
• burning garbage

• electricity

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Worldwide, temperatures have been increasing for more than 100 years.  Is this evidence of climate change?

• yes
• no

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Which of the following releases the most carbon dioxide into the atmosphere?

• overfishing

• deforestation

• mining

• agriculture

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Melting of glaciers and polar ice caps....

• will result in cooler temperatures in the Arctic
• will result in sea-levels rising
• Will have no effect on ecosystems
• None of the above

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