Activities Quiz
1.

_____ are secondary consumers. (Activity 54A)

Producers
Herbivores
Plants
Cows
Carnivores


2.

Approximately _____% of the energy at one trophic level is passed on to the next highest trophic level. (Activity 54A)

0–5
5–10
10–15
15–20
90–100


3.

10,000 kcal of producer could support approximately _____ kcal of tertiary consumer. (Activity 54A)

1,000
100
10
1
0


4.

Where do plants get the energy to make organic molecules? (Activity 54B)

minerals
glucose
vitamins
light
water


5.

Which of these is NOT an organic molecule? (Activity 54B)

carbohydrates
minerals
proteins
glucose
lipids


6.

Where do plants get the carbon they use to make organic molecules? (Activity 54B)

glucose
oxygen
water
starch
carbon dioxide


7.

What name is given to the process by which detritivores return carbon to the atmosphere? (Activity 54C)

burning
predation
photosynthesis
predation and photosynthesis
decomposition


8.

Which of these removes carbon from the atmosphere? (Activity 54C)

logging trees
rabbits
burning fossil fuels, such as oil
bobcats
algae


9.

Detritus is composed of _____. (Activity 54C)

detritivores
dead organic matter
inorganic minerals
excreted wastes
dead organic matter and excreted wastes


10.

Nitrifying bacteria convert _____ to _____. (Activity 54D)

nitrogen gas ... ammonium
nitrogen gas ... nitrates
ammonium ... nitrites
nitrates ... nitrogen gas
ammonium ... nitrogen gas


11.

_____ removes nitrogen from the atmosphere. (Activity 54D)

Denitrification
Nitrification
Mineralization
Nitrogen fixation
Assimilation


12.

Which of these are the two major sources of nitrate pollution in rivers? (Activity 54E)

the burning of fossil fuels by factories and cars
animal wastes and the burning of fossil fuels by cars
animal wastes and fertilizers
fertilizer runoff and the burning of fossil fuels by cars
animal wastes and the burning of fossil fuels by factories


13.

Aquatic nitrate pollution can result in _____. (Activity 54E)

algal bloom
oxygen depletion
fish kills
hypoxia
an algal bloom that, when the algae die and are decomposed by bacteria, leads to hypoxia and the death of fish


14.

Which of these would NOT contribute to a global increase in temperature? (Activity 54F)

deforestation
increasing the use of gasoline-burning vehicles
increasing the industrial release of carbon dioxide
planting trees
increasing the amount of animal life on Earth


15.

Switching from fossil fuels to _____ energy would significantly decrease the release of carbon dioxide into the atmosphere. (Activity 54F)

solar
nuclear
geothermal
solar and geothermal
solar, nuclear, and geothermal



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publishing as Benjamin Cummings