8.1C How can a Forest be Better Managed?

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 is caused by

• agriculture activities
• snakes
• banks
• schools

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Deforestation causes an increase in atmospheric carbon dioxide

• true

• false

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The cutting down of selected trees in a forest so the growth of other trees is not affected.

• Selective Cutting
• Controlled Burn 
• Thinning
• Clear Cutting

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What qualifies a forest as an old growth forest?

• All the trees qualify for medicare

• It hasn't been disturbed for at least 200 hundred years

• It's home to species like pines, beech, and other conifers

• all the trees are at least 75 years old

Forests cover 31% of the land area on our planet.

• True

• False

A renewable resource is considered ___________________ when it can be replaced as quickly as it is harvested.

• Sustainable

• habitats

• timber

• biodiversity

• clear-cutting

Selective cutting differs from clear cutting in that selective cutting:

• Increases surface runoff and erosion

• Only removes certain trees

• Takes out all the trees

• Reduces the risk of forest fires

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Which of the following are benefits of the forest?

• Climate regulation
• Soil stabilization
• Healthy functions of ecosystems
• All of above

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Which method of harvesting trees is the cheapest way?

• Clear cutting
• Seed-Tree
• Shelterwood
• Selection System