human impact

1. Which biome has the highest biodiversity and is the most threatened?

• Temperate forests

• grasslands

• tropical rain forests

• deserts

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What is deforestation?

• Clearing Earth's forests on a massive scale
• Eating too much vegetables
• Going to a forest and pulling weeds
• Clearing the five trees in my backyard

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Deforestation causes an increase in atmospheric carbon dioxide

• true

• false

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what is the leading cause of deforestation?

• Diseases 
• Housing market
• Agriculture and Farming
• Paper mill

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What does deforestation effect?

• Plants and animals
• Our biosphere
• Humans
• All of the above

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what are people doing to counter deforestation?

• the US stopped foreign wood products form entering the country.

• they passes laws to protects endangers wild life therefore protecting the forest they live in

• the US created animal shelters for endangered wild life.

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Animals and plants have no where to live because of human activities like deforestation and building

• habitat destruction

• fossil fuels

• invasive species

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Removing organisms from an environment causing them to become threatened, endangered or extinct

• habitat destruction

• direct harvesting

• global warming

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Biotic factors would include all but..

• humans
• fish
• Trees
• soil

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What long-term impact could the destruction of large areas of forests have on Earth?

• decreased rates of erosion
• increased atmospheric carbon dioxide levels
• decreased amounts of acid rain
• increased atmospheric oxygen levels

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