Unit 5 Land and Water use Test

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

A technique sometimes used in forest management, farming, or prairie restoration to improve habitat and reduce wildfire risk.

• Selective Cutting
• Controlled Burn 
• Thinning
• Clear Cutting

Removal of all marketable trees from an area.

• Selective Cutting
• Controlled Burn 
• Thinning
• Clear Cutting

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

_______ are chemicals which kill weeds.

• Fertilizers
• Fungicides
• Rodenticides
• Herbicides

Environmental causes of soil depletion include...

• poverty, urban sprawl, deforestation

• deforestation, bio-industries, poverty

• overgrazing, deforestation, agriculture

• agriculture, urban sprawl, poverty

Based on the graph, which area is the coolest temperature?

• downtown
• rural
• suburban residential
• park

The clearing of a forest and its replacement by another land use is called

• forestry

• clear-cutting

• timber harvesting

• deforestation

Watering crops by way of human-constructed structures is known as

• precipitation

• irrigation

• salinization

• fertilization

A large area of cropland seeded with one crop is a(n)

• monocultre

• polyculture

• organic practice

• traditional farming technique