AnswersFL-2001340-Environmental Science Sem 2Ocean Exploration

Ocean Exploration — Unit test Answers

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21
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Which of the following statements about forestry education is true?

A
All educational facilities cover forestry to the same depth.
B
Individuals can pursue doctorates in forestry in any state.
C
Program focus will remain the same from state to state.
D
Some states have greater access to forestry programs than others.
22
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How can zoning laws be beneficial to a city’s residents?

A
They prevent new business development.
B
They can prevent new development that would harm established residents.
C
They limit the maximum height of buildings.
D
They restrict who can live in a city.
23

The abundance and variety of foods available in wetlands is a large contributor to their biodiversity.

A
T
B
F
24

The U.S. Integrated Ocean Observing System (IOOS) is best described as _______.

A
a public and private partnership to increase understanding of the oceans
B
a program to improve ocean safety
C
a partnership aimed at protecting the environment
D
all of the above
25

Which of the following forest management practices is the most harmful to forest ecosystems?

A
clearcutting
B
shelterwood cutting
C
group selection
D
single tree selection
26

Which of the following cities has experienced more upward growth than urban sprawl?

A
Los Angeles, California
B
Bangkok, Thailand
C
Tokyo, Japan
D
Jakarta, Indonesia
27

Which of the following best describes the use of rainforest plants as anticancer drugs?

A
Most rainforest plants have been tested for their cancer fighting properties.
B
Twenty-five percent of the active ingredients in cancer drugs are exclusively rainforest plants.
C
The most powerful anticancer drugs are not rainforest plants.
D
All of the above
28

The oceans were formed when the earth cooled and water vapor condensed to create rain.

A
T
B
F
29

Which of the following is not true concerning rainforests?

A
Twenty-five percent of western pharmaceuticals are derived from rainforest ingredients.
B
Almost 50,000 rainforest species are lost every year due to deforestation.
C
Half of all rainforest plants have been tested for their medicinal properties.
D
Projections say rainforest deforestation could eliminate half of the world’s species.
30

Wetlands help reduce erosion through _______.

A
nutrient absorption
B
sediment trapping
C
bacterial absorption
D
all of the above

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