Human Impact & Ecology

What is an invasive species?

• An organism that is new to an environment that has positive effects on the environment.

• An organism that is native to an environment that has negative effects on the environment.

• An organism that is new to an environment that has negative effects on the environment.

• An organism that is native to an environment that has positive effects on the environment.

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Invasive species can crowd out native species.

• TRUE

• FALSE

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Why do the populations of invasive species grow so quickly? 

• Invasive Species are native to an area. 
• Invasive species are prey to many animals.
• Invasive species have no predators.
• Invasive species keep the ecosystems in equilibrium.

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Increased carbon dioxide may cause global warming by trapping more ____________ in the atmosphere.

• water
• gases
• heat
• water vapor

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The patterns that weather forms in an area over seasons and years is known as that region's ____________

• Weather

• Season

• Climate

• Global Warming

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True or False: Climate on Earth never changes

• True

• False

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Causes of Climate Change are

• only human activity

• a combination of natural and human forces

• only natural forces

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Earth is currently experiencing

• a warming trend

• a period of unchanging climate

• a cooling trend

• an ice age

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Which of these are fossil fuels? Select all fossil fuels listed.

• steam

• coal

• gas

• oil

The main human activity that releases greenhouse gases is

• using public transportation and there by reduce the affects of greenhouse gases.

• burning fossil fuels

• texting on cellphones

• eating meat

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NGSS.MS-ESS3-4