Organizational Hierarchy Answers

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Actinobacteria sp. are fermenting organisms, which do not require oxygen to survive. These organisms break down organic material and convert it to inorganic material. Which part of the carbon cycle does this describe?

A
photosynthesis
B
respiration
C
decomposition
D
assimilation
2
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What would happen if there were no condensation stage in the water cycle?

A
Water could not convert from a gas to a liquid.
B
Water could not convert from a liquid to a gas.
C
Water could not convert from transpiration to evaporation.
D
Water could not convert from precipitation to evaporation.
3

Which best describes a possible negative impact of irrigation of farmland?

A
Food can be produced in dry areas.
B
Increased runoff can pollute bodies of water.
C
Food can be produced through drought years.
D
Water can improve the livelihood of farmers.
4

What process adds carbon dioxide to the air?

A
nitrogen cycle
B
water cycle
C
respiration
D
photosynthesis
5

Osteoporosis is a disease that affects the bones and leads to an increase in bone fractures. Osteoporosis is most likely to be affected by which cycle?

A
water
B
phosphorus
C
nitrogen
D
magnesium
6

Why are bacteria a necessary part of the nitrogen cycle?

A
Other living things cannot use atmospheric nitrogen.
B
Other living things cannot use the nitrogen in plants.
C
Bacteria are the main nitrogen reservoir.
D
Bacteria are the main nitrogen transpirators.
7

The phosphorus cycle differs from the biogeochemical cycles in that

A
it does not have an atmospheric reservoir.
B
it does not have an oceanic reservoir.
C
there is no assimilation of phosphorus.
D
there is no decomposition of phosphorus.
8

Which process allows water to enter the atmosphere?

A
evaporation
B
condensation
C
precipitation
D
freezing
9

The ocean and the atmosphere serve as long-term storage areas for carbon and other nutrients. What are these storage areas called?

A
reservoirs
B
fossil fuels
C
biostorages
D
compounds
10

What is the effect of the biogeochemical cycles?

A
cycling energy through a food chain
B
recycling matter through the biosphere
C
recycling rocks through the layers of Earth
D
cycling nutrients through the human body

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