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Review ECOLOGY
Test Description: Ecology and human impact
Instructions: Answer all questions to get your test result.
1) Which uhman activity has probably contribuated most to the acidification of teh lakes inteh Adirondacks?
A
burning fossil fuels that produce air pollutants that contain nitrogen and sulfer
B
establishing reforestation programs in lumber areas
C
passing environmental protection laws
D
using pesticides to control insects on trees
2) HUman impact on the environment is often more dramatic than that of other species because humans have a greater
A
need of water
B
ability to adapt to change
C
need of food
D
ability to alter the environment
3) Deforestation would most immediately result in
A
industrialization of a region
B
global warming
C
depletion of ozone
D
disappearance of native species
4) Which statement best describes an ecosystem maintaining a state of appropriate equilibrium?
A
mice are released into a field ecosystem as food for a declining predator population
B
a mutation spreads through a species of bacteria, making them unable to decompose wastes
C
all the frog species in a South American rain forest become extinct
D
nutrients from decayed organisms are recycled in a forest ecosystem
5) In New York State, small farms that were abandoned many years ago have become hardwood forests. This is an example of
A
ecological succession
B
habitat loss
C
local deforestation
D
biotechnology
6) In order for an ecosystem to remain stable there must be
A
limited biodiversity
B
drastic modications to the environment
C
gradual changes in the climate
D
interrelationships and interdependencies among organisms
7) An ecosystem is self-sustaining as long as organisms have sufficiant quantities of energy, water, oxygen, and minerals. When organisms die, some of these materials are recycled back to plants in the ecosystem primariliy through the activity of
A
predators
B
decomposers
C
parasites
D
pathogens
8) a finite resource in the environment that keeps a population from steadily increasing is known as
A
a reproductive enzyme
B
a limiting factor
C
dynamic equilibrium
D
ecology succession
9) Which situation is most likely to lead to ecological succession?
A
Hunters are allowed to hunt wolves, with no limits, for one season
B
A farmer who has planted corn for many years retires, and the field is left abandoned
C
The fish population in a large lake remain the same for many years
D
the amount of industrialization increased in an area, resulting in teh increased burning of fossil fuels
10) Water pollution as a result of fertilizer runoff from farms is harmful because it initially
A
adds ozone to the atmosphere, increasing global temps.
B
decreases teh amount of nutrient recycling in lakes
C
decreases the water temperature of streams and lakes
D
changes the chemical compostion of nearby streams and lakes
*select an answer for all questions
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