Unit 9 Lesson 2 Deforestation

Multiple Choice

Why is deforestation considered a significant environmental issue?

• It leads to loss of biodiversity and disrupts ecosystems.

• It increases the number of forests.

• It reduces pollution in cities.

• It helps in increasing rainfall.

Open Ended

What percentage of Earth’s land is covered by forests today?

Multiple Choice

Which type of land cover has decreased the most from 10,000 years ago to 2018?

• Forests

• Crops

• Development

• Grazing

Open Ended

What are some reasons deforestation continues rapidly in developing nations?

Open Ended

Explain how human activities have influenced land cover changes over time, using examples from the U.S. and developing nations.

Multiple Select

Which of the following are consequences of deforestation?

• Loss of biodiversity

• Soil erosion

• Flooding

• Increase in forest area

Multiple Choice

Which of the following statements about U.S. National Forests is correct?

• They are federal lands protected by the U.S. Forest Service.

• They are privately owned lands.

• They are only found in the eastern U.S.

• They were created before deforestation began.

Fill in the Blank

Deforestation in the U.S. led to the creation of the U.S. National Forest System in the early ___ .

Multiple Choice

Which organization manages U.S. National Forests, and who harvests the timber from these lands?

• U.S. Forest Service manages, private companies harvest

• Private companies manage and harvest

• State governments manage, U.S. Forest Service harvests

• U.S. Forest Service manages and harvests

Open Ended

Explain how logging practices in the United States impact biodiversity.

Multiple Select

Which of the following are consequences of suppressing all forest fires in the past?

• Buildup of dry vegetation

• Increased risk of severe wildfires

• Protection of property

• Immediate restoration of ecosystems

Fill in the Blank

Prescribed burns are now used to reduce ___ and restore ecosystems.

Multiple Choice

What are two major threats to biodiversity and ecosystem health discussed in the summary?

• Deforestation and fire suppression

• Logging and prescribed burns

• Tree planting and timber harvesting

• National forest management and private ownership

Fill in the Blank

Deforestation is the ___ of a forest and replacement with a different land use.

Open Ended

How does deforestation impact the environment and what are some possible consequences of replacing forests with cities or farms?