AnswersIC Environmental Science - DeeringRainforest Loss

Rainforest Loss Answers

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Which of the following is not a method used to improve management of tropical rainforests?

A
increased logging
B
establishing special reserves for critical species
C
utilize better agricultural techniques
D
the use of plantations
2
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The sustainable use of rainforest resources is exemplified by _______.

A
lumber harvesting
B
ranching
C
harvesting nuts
D
none of the above
3

The principal characteristic that differentiates temperate and tropical rainforests is __________.

A
latitude
B
oxygen turn over
C
the continent they are on
D
longitude
4

The Rainforest Alliance is a program sponsored by several governments of countries with rainforests.

A
T
B
F
5

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
6

Which of the following are important products of rainforests?

A
timber
B
pharmaceuticals
C
oxygen
D
all of the above
7

Europe has no rainforests.

A
T
B
F
8

Tropical rainforests are located in _______.

A
Europe
B
Southeast Asia
C
North America
D
none of the above
9

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.
10

Which of the following is not a food produced in rainforests?

A
coffee
B
cocoa
C
avocados
D
mustard seeds
11

The promotion of companies’ sustainably harvested rainforest products is intended to _______.

A
produce cheaper products
B
promote overconsumption
C
give the company a competitive advantage
D
produce more expensive products
12

Around 50,000 rainforest species go extinct every year.

A
T
B
F
13

Rainforest deforestation generally has a positive impact on indigenous tribes and peoples.

A
T
B
F
14

Which of the following is not true concerning rainforests?

A
Rainforests are responsible for most global oxygen turnover.
B
The undergrowth of rainforests is choked by weeds and plants.
C
Rainforests are characterized by high levels of rainfall.
D
Not all rainforests are tropical rainforests.
15

Rainforests are principally responsible for global oxygen turnover.

A
T
B
F
16

Which of the following is the most direct method for combating rainforest deforestation?

A
ecotourism
B
carbon credits
C
rehabilitation
D
education

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