Environmental Science UNIT 6 Section I Time

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Environmental Science
UNIT 6
Section I
Time- 30minutes
1. Characteristics that would lead to a nonnative organism’s becoming invasive in a new
environment would include which of the following characteristics?
I.
High-reproductive rate
II.
Short-lived
III.
Generalist
(A) I only
(B) II only
(C) III only
(D) I and III only
(E) I, II, and III
2. The Amazon Basin, in South America, is the world’s largest tropical rainforest. Forest
cover in the Arc of Deforestation” in the southern region of the basin is rapidly decreasing
due to logging and conversion of forest to agricultural lands. Scientists estimate that if this
trend continues it will reduce the forest coverage to only 20% of its original size by the
year 2016. The loss of forested land would mostly likely.
(A) increase the concentration of the water vapor in the air due to increased transpiration
rates.
(B) decrease the local regional flooding that occurs
(C) increase available to supplies for plant-derived medicines
(D) decrease the amount of total atmospheric nitrogen
(E) increase the amount of total atmospheric carbon dioxide
3. All except the following are threats to biodiversity in river systems EXCEPT
(A) increasing of riparian zones along stream banks
(B) pesticides entering local rivers from agricultural runoff
(C) habitat fragmentation by dams
(D) runoff of animal wastes from feedlots
(E) dredging river bottoms to increase ability for transportation
4. Species transported from tropical regions of the Atlantic to the Pacific
(A) have no impact on the new environment
(B) have greater impact on the new environment
(C) have limited impact on the new environment
(D) are seldom transported to another environment
(E) don’t survive in a new environment
5. Zebra mussels are
(A) the largest of the mussels
(B) actually more spotted than striped
(C) an introduced alien species in the Great Lakes
(D) related to zebra clams
(E) a native species
6. When nontarget fish species or other marine animals are caught in nets or through
other fishing methods, they are called
(A) surplus species
(B) bycatch
(C) alternate species
(D) trash fish
(E) game fish
7. Which of the following has caused the greatest increase in the introduction of marine
alien species into new ecosystems?
(A) Tourism
(B) Air travel
(C) Shipping
(D) Commercial fishing
(E) Home aquariums
8. Fishing methods like bottom trawling, gill netting and longlining are especially subject
to
(A) crew safety policy
(B) seasonal variation
(C) high fuel costs
(D) poor yields
(E) bycatch
9. When species are transported geographically to an unknown area, they are called
(A) natuve species
(B) game fish
(C) exotics
(D) nonnative species
(E) functional species
10. Non-native (alien) species are transplanted by all the following except
(A) ship’s ballast water
(B) wind
(C) hitchhiker’s on another species
(D) humans (e.g., releasing exotic pets)
(E) swimming to a nearby area
11. When a large, contiguous area of habitat is reduced in area and divided into smaller,
more scattered patches, the process is called
(A) habitat elimination
(B) habitat exploitation
(C) resource partitioning
(D) habitat fragmentation
(E) resource loss
12. Some toxic chemicals, such as those in DDT, can be stored in the fat tissue of animals.
As these animals become food for larger and larger animals, the amount of the toxin gets
larger and larger. This process is called
(A) biophilia
(B) biosphere
(C) biotechnology
(D) biomagnification
(E) iophosphoresence
13. Which of the following would be allowed under a habitat conservation plan?
(A) Landowners would be permanently
exempt from the ESA.
(B) The federal government would be exempt
from the ESA.
(C) A landowner, logger, or developer could
destroy some critical habitat.
(D) Landowners could get approval to let
some species go extinct.
(E) Protection of endangered species could be
made voluntary on private land.
14. CITES is a(n)
(A) regulations controlling the introduction of
exotic species
(B) treaty controlling the international trade
in endangered species
(C) pact that supports critical ecosystems
that support wildlife
(D) international organization dedicated to
the preservation of endangered species
(E) policing agency for the protection of
threatened species
15. Clear-cutting does all of the following except
(A) greatly increases water runoff
(B) increases loss of soil nutrients
(C) increases death of vegetation
(D) enhances habitat and biodiversity
through loss of vegetation
(E) increases pollution of streams
16. The first letter "P" in the acronym HIPPCO stands for
(A) perennial
(B) population
(C) pressure
(D) petroleum
(E) pesticides
17. In 2007 at a World Trade Organization meeting the United States proposed a ban on
what financial activity in an attempt to reduce overfishing?
(A) research grants
(B) fishing subsidies
(C) enforcement grants
(D) transportation subsidies
(E) satellite support costs
18. Freshwater ecosystems are under major threat by human activities. Which of the
following is a part of that threat?
(A) 40% of the world's rivers have been
dammed or engineered.
(B) Vast portions of freshwater wetlands
have been destroyed.
(C) Aquatic species have been crowded out of
one-half of their habitats.
(D) Invasive species, pollution, and climate
change threaten ecosystems.
(E) All of these are major threats.
19. The newer approach to estimating fish populations, one which takes into account
interactions between species and has more room for error, is
(A) maximum sustained yield
(B) minimum sustained yield
(C) commercial sustained yield
(D) potential sustained yield
(E) optimum sustained yield
20. Many scientists and policy makers are suggesting an ecosystem approach to sustain
aquatic systems. The cornerstone of this would include establishment of fully protected
(A) marine reserves
(B) benthic zones
(C) high seas zones
(D) continental shelf areas
(E) wildlife reserves
21.
22.
23.
24.
25. In 2007 at a World Trade Organization meeting the United States proposed a ban on what
financial activity in an attempt to reduce overfishing?
(A) research grants
(B) fishing subsidies
(C) enforcement grants
(D) transportation subsidies
(E) satellite support costs
Bonus
1. Which U.S. state is leading the way in establishing marine protected areas where fishing will be banned or
strictly limited?
a. Washington
b. Oregon
c. California
d. Florida
e. Texas
2.Many scientists and policy makers are suggesting an ecosystem approach to sustain aquatic systems. The
cornerstone of this would include establishment of fully protected
a. marine reserves
b. benthic zones
c. high seas zones
d. continental shelf areas
e. wildlife reserves
3.What percentage of the world's oceans is closed to fishing and other harmful human activities?
a. 1%
b. 3%
c. 5%
d. 7%
e. 11%
4.Leading marine scientists suggest we need at least ____% of the world's oceans fully protected as marine
reserves.
a. 67
b. 50
c. 33
d. 35
e. 13
Environmental Science
Section II
Time- 15 minutes
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