GEEMidterm Flashcards

1
Q

Which of the following is NOT a type of natural capital degradation to grassland biomes?
A. Conversion to tree plantations
B. Conversion of cropland
C. Oil production in arctic tundra
D. Overgrazing by livestock

A

Oil production in arctic tundra

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2
Q

Why are mountains ecologically important?
A. Contain the majority of the earth’s forests
B. Release water into streams
C. Reflect solar radiation back into space
D. All of the choices

A

All of the choices

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3
Q

Why do deserts take a long time to recover from disturbance?
A. Fast nutrient recycling
B. High species diversity
C. Permafrost
D. Slow plant growth

A

Slow plant growth

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4
Q

A ________ is a terrestrial region with distinct climates and specific organisms.
A. Biome
B. Climate
C. Ecosystem
D. Latitude

A

. Biome

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5
Q

Which of the following is NOT a factor in how air circulates over the earth’s surface?
A. Properties of air, water, and land
B. The jet stream
C. The rotation of the earth on its axis
D. Uneven heating of the earth’s surface

A

Uneven heating of the earth’s surface

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6
Q

What occurs when intact habitats are divided into smaller patches by roads, logging, crop fields, and urbanization?
A. Habitat degradation
B. Habitat destruction
C. Ecological extinction
D. Local extinction

A

Habitat destruction

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7
Q

What is the difference between an endangered species and a threatened species?
A. A threatened species is becoming endangered because of human activities.
B. There is no difference; the two terms are interchangeable.
C. A threatened species was previously labeled endangered but has increased its numbers.
D. A threatened species is still abundant now but may be endangered soon.

A

A threatened species is still abundant now but may be endangered soon.

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8
Q

Which act restricts the international trade in endangered species?
A. Convention on Biological Diversity (CBD)
B. The Lacey Act
C. Convention on International Trade in Endangered Species (CITES)
D. The Endangered Species Act (ESA)

A

Convention on International Trade in Endangered Species (CITES)

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9
Q

What is the extinction of many species in a relatively short period of geologic time?
A. Common extinction
B. Geological extinction
C. Mass extinction
D. Short period extinction

A

Mass extinction

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10
Q

Which of the following represents the greatest threat to wild species populations?
A. Habitat loss
B. Hunting for sport
C. Genetic engineering
D. Collecting for zoos and botanical gardens

A

Habitat loss

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11
Q

Which type of forest would probably contain stands of trees that grew following a fire?
A. Old growth forest
B. Second growth forest
C. Tree plantation
D. Fire tree

A

Second growth forest

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12
Q

What is the most efficient and least costly way to harvest trees but harms ecosystems because all trees are removed from a geographic area?
A. Clear cutting
B. Strip cutting
C. Selective cutting
D. Cost cutting

A

Clear cutting

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13
Q

What is a downside of tree plantations that violates nature’s biodiversity principle of sustainability?
A. Contain multivariate species
B. Contain unlimited species
C. Contain well-diverse species
D. Contain only one to two species

A

Contain only one to two species

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14
Q

Which of the following describes clearcutting?
A. Increases biodiversity
B. Reduces soil erosion
C. Increases recreational value
D. Increases timber yield per acre

A

Increases timber yield per acre

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15
Q

One solution to overgrazing is to confine cattle to one area for a short time and then move them to another before overgrazing takes place. This method is called ____________.
A. No-till agriculture
B. Rangeland control
C. Riparian zones
D. Rotational grazing

A

Rotational grazing

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16
Q

Which of the following is NOT a problem associated with overgrazing of grasslands?
A. Increased soil erosion
B. Increased soil compaction
C. Increases net primary productivity
D. Increases invading species that can’t be eaten by grazers

A

Increases net primary productivity

17
Q

We can best protect a biosphere reserve by surrounding it with __________.
A. Another biosphere reserve
B. Buffer zones
C. Human settlement
D. Resource extraction

A

Resource extraction

18
Q

The following are important economic services of forests EXCEPT:
A. Provide sustenance for many people who live in extreme poverty
C. Provide habitat for about 2/3 of the earth’s terrestrial species
B. Provide health benefits – drugs are derived from forest plant species
D. Provide pulp to make paper

A

Provide habitat for about 2/3 of the earth’s terrestrial species

19
Q

What type of farming is low-input traditional farming?
A. Organic farming
B. Green revolution
C. Industrial farming
D. Surplus farming

A

Organic farming

20
Q

Which of the following methods is least sustainable in producing agricultural food?
A. Crop rotation
B. Integrated Pest Management
C. Monoculture cropping
D. Soil conservation techniques

A

Soil conservation techniques