1. Organisms that feed only on plants are called
detritivores | |
omnivores | |
carnivores | |
herbivores | |
decomposers |
2. Which of the following is NOT an example of an indicator
species?
trout in water with a specifric temperature requirement | |
birds that need a large forested area | |
butterflies that use a specific plant as food | |
frogs that take in water and air though their skin | |
All are example of |
3. A species in an ecosystem that plays a central role in the
health of that ecosystem, and whose removal may cause the collapse of the
ecosystem, is called a(n)
foundation species | |
indicator species | |
native species | |
keystone species | |
specialist species |
4. One way that species evolve over time to reduce niche
overlap is called
competitive exclusion principle | |
resource partitioning | |
population distribution | |
chemical warfare | |
mimicry |
5. Aerobic respiration requires
glucose and carbon dioxide. | |
glucose and oxygen. | |
oxygen and water. | |
carbon dioxide and water. | |
carbon dioxide and oxygen. |
6. The first law of thermodynamics tells us that
Doing work always creates | |
Altering matter is the best source of energy. | |
Energy cannot be recycled. | |
Energy is neither created nor destroyed. | |
Energy cannot be converted. |
7. Which of the following is NOT a greenhouse gas?
carbon monoxide | |
water vapor | |
carbon dioxide | |
methane | |
nitrous oxide |
8. Which of the following is an example of a density
dependent population control
parasites | |
predators | |
infectious diseases | |
competitors with high niche overlap | |
all of these answers |
9. If grass stores 1,000 energy units received from sun, the
ecological efficiency of the ecosystem is 10%, and the trophic levels are grass
> cow > human, how many units of energy does the human receive of the
original 1,000 units?
900 | |
200 | |
100 | |
10 | |
1 |
10. Complex feeding patters for consumers in an ecosystem are
called
food webs | |
food chains | |
trophic levels | |
pyramids of energy | |
trophic chains |
11. All of the following are part of the freshwater aquatic life
zones, EXCEPT
lakes | |
mangrove forests | |
inland wetlands | |
streams | |
rivers |
12. In terms of habitat destruction, the greatest eliminator of
species is
pollution of streams, lakes, and oceans | |
destruction of coral reefs | |
destruction of wetlands | |
plowing of grasslands | |
deforestation in tropical |
13. The term malnutrition refers to people who
consume
low calories | |
low carbohydrates | |
too much meat | |
low protein, high | |
high protein |
14. In lakes, the nutrient-rich water near the shore is part of
the
limnetic zone | |
benthic zone | |
littoral zone | |
profundal zone | |
abyssal zone |
15. With the Arctic warming twice as fast as the rest of the
world, which of the following organisms is rapidly moving toward threatened
status?
sea lions | |
walrus | |
polar bears | |
seals | |
arctic fox |
16. Which of the following is an ADVANTAGEof
hydropower?
high methane emissions | |
disruption of downstream aquatic ecosystems | |
high-cost of energy | |
large land disturbance | |
large untapped potential |
17. Even carefully designed logging roads have harmful effects,
including all of the following EXCEPT
increased erosion | |
sediment runoff into waterways | |
habitat fragmentation | |
decrease access to farms, | |
loss of diversity |
18. Organisms in this area must be able to avoid being swept
away, crushed by waves, or being left high and dry at low tides, and must
survive daily on seasonal salinity and temperature changes.
estuaries | |
coastal wetlands | |
bathyal zone | |
intertidal zone | |
coral reefs |
19. What can you do to help sustain terrestrial biodiversity?
All of the following are things each of us can do, EXCEPT
Plant trees and take care of them. | |
Recycle paper and use recycled products. | |
Buy sustainable wood and wood products. | |
Help restore nearby degraded forests or grasslands | |
Do not plant your yard with |
20. Late successional plants are largely unaffected by plants at
earlier stages of succession, a factor called
facilitation | |
imperturbability | |
inhibition | |
tolerance | |
intolerance |
21. Which of the following does NOT represent kinetic
energy?
the wind blowing | |
flowing water | |
reservoir behind a dam | |
ocean waves | |
electricity |
22. Which of the following is said to occur when one organism
feeds on another organism, usually by living on or in that other organism?
interspecific competition | |
predation | |
parasitism | |
mutualism | |
commensalism |
23. The highest rate at which a renewable resource can be used
indefinitely without reducing its available supply is called
conservation | |
sustainable yield | |
preservation | |
recycling | |
all of these answers |
24. Scientists classify energy as either
chemical or physical | |
kinetic or mechanical | |
potential or mechanical | |
potential or kinetic | |
chemical or kinetic |
25. Which of the following is NOT an abiotic factor?
water | |
potassium | |
bacteria | |
nitrogen | |
sunlight |
26. All of the following are elements EXCEPT
water | |
oxygen | |
nitrogen | |
hydrogen | |
carbon |
27. The mass number is equal to the sum of the
neutrons and isotopes | |
neutrons and electrons | |
neutrons and protons | |
protons and electrons | |
ions and isotopes |
28. When plotting the number of individuals in a population
against time the data yield a J-shaped curve, which indicates which of the
following?
logistic growth | |
environmental resistance | |
exponential growth | |
carrying capacity | |
biotic potential |
29. Carbon is a major component of
water | |
the oceans | |
organic compounds | |
the atmosphere | |
hydrologic cycle |
30. Effects of pollution might include
being unable to see the top of skyscrapers because of smog | |
destruction of a statue in a city park by acid rain | |
spread of a disease from an open dump | |
fish kills in lakes and streams | |
all of these |
31. It is necessary to use energy to get energy. The difference
between what you get and what you use to get it is called
gain | |
loss | |
gross energy | |
profit | |
net energy |
32. The middle, partially melted zone of the interior of the
earth is called the
crust | |
tectonic plate | |
core | |
mantle | |
magma |
33. The greatest marine biodiversity is located
in the bottom region of the ocean | |
in the surface region of the ocean | |
in the coastal region of the ocean | |
in the open ocean | |
in coral reefs |
34. Which of the following is NOT true about surface fires?
They free valuable mineral nutrients tied up in decomposing litter. | |
They release seeds from cones of lodgepole pines. | |
They increase soil erosion. | |
Wildlife requires surface fires to maintain their habitats. | |
They help control diseases. |
35. Global oil production peaks when
oil becomes cheap and use increases | |
demand for oil lessens | |
large new proven reserves are located | |
maximum global rate of production is reached | |
OPEC decides to slow oil production |
36. The lack of sufficient water to meet the needs of the people
in a country or region is called
water deficit | |
water shortage | |
drought | |
hydrological shortage | |
hydrologic cycle |
37. The term undernutrition refers to people who consume
low calorie diet | |
high calorie diet | |
low protein, low carbohydrates | |
low protein, high carbohydrates | |
high protein, low carbohydrates |
38. Deep lakes with steep banks that have a small supply of
plant nutrients are
oligotrophic lakes | |
eutrophic lakes | |
culturally eutrophic lakes | |
hypereutrophic lakes | |
mesotrophic lakes |
39. The United States uses what percentage of all the oil
produced in the world?
6% | |
7% | |
8% | |
17% | |
23% |
40. The most important factor in determining which biome is
found in a particular area is
soil type | |
topography | |
geology | |
climate | |
landforms |
