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Biodiversity
Test Description: Biodiversity
Instructions: Answer all questions to get your test result.
1) A desired outcome derived from an understanding of ecology would be
A
an increase in the amount of industrialization
B
a decrease in disruptions of existing wildlife habitats
C
the elimination of most predatory species
D
an increase in world human population
2) The survival of many plants and animals has been aided most by
A
development of research aimed toward the preservation of endangered species
B
reduction in the number of restrictive pollution control laws
C
increasing the height of industrial smokestacks to spread air pollutants away from the immediate area
D
heavy use of pesticides to kill all of the insect pests that compete with humans for food sources
3) An insecticide stays in the fat of animals and is transferred through food chains. Its concentration increases through the food chain. Which organism would have the most insecticide?
A
owl ( predator)
B
corn (producer)
C
rabbit (herbivore)
D
field mouse (consumer)
4) Which action that humans have taken in attempting to solve an ecological problem has had the most negative effect?
A
developing new techniques for the disposal of sewage
B
applying scientific farming techniques to oceans
C
seeking better means of birth control in the human population
D
producing stronger and more effective pesticides
5) Today's lifestyles have led to increased demands for disposable products. The packaging of these products has caused problems with
A
use of nuclear fuels
B
atmospheric depletion
C
food web contamination
D
solid waste disposal
6) Japanese beetles, a major insect pest in the US, do little damage in Japan because they
A
are kept in check by natural enemies
B
have adapted to the environment
C
are kept in check by pesticide sprays
D
hibernate during the winter
7) Some modern agricultural methods have created serious insect problems because these methods
A
increase soil loss
B
grow crops in areas where formerly only insects could live
C
provide concentrated areas of food for insects
D
aid in the absorption of water
8) The decline and extinction of many predatory animal species is most probably the result of
A
the decreased use of chemical pesticides
B
the introduction of a new species of animal into the area
C
an overabundance of prey species
D
the disruption of natural food chains
9) Gypsy moths were accidentally introduced into North America. The most probable reason these insects have become serious pests is that they
A
were bred by research scientists and are resistant to all pesticides
B
are affected by natural controls and feed on plants
C
are protected by environmental laws
D
have few natural enemies and reproduce successfully
10) The number of individuals that can be supported in an area is called
A
energy flow
B
deforestation
C
direct harvesting
D
carrying capacity
11) Which of these resources is renewable?
A
Oil
B
Wood
C
Coal
D
Natural Gas
12) The destruction or removal of species from their habitats is known as
A
deforestation
B
pollution
C
direct harvesting
D
depletion
13) Which of the following will lower the use of nonrenewable resources?
A
metal, glass, paper
B
metal, wood, fur
C
fur, wood, paper
D
clothing, makeup, glass
14) Which group contains greenhouse gases?
A
oxygen, methane, water vapor
B
water vapor, carbon dioxide, nitrogen
C
nitrogen, oxygen, methane
D
carbon dioxide, methane, water vapor
15) Plants help maintain atmosphere quality by
A
storing carbon dioxide
B
making holes in the ozone layer
C
causing global warming
D
storing oxygen
16) For every environmental problem, people must assess the costs and benefits. These are called
A
resources
B
arguments
C
trade offs
D
choices
17) To reduce greenhouse gas emissions, humans should
A
drive more
B
carpool
C
use more electricity
D
throw out more garbage
*select an answer for all questions
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