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Exam (elaborations)

Primary Productivity – APES Questions and Answers

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Primary Productivity – APES Questions and Answers What percent of the sunlight is actually converted into chemical energy via photosynthesis? Less than 1% What percent of the sunlight is reflected and/or absorbed? 70% What is the word equation for the process of photosynthesis? ...

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  • December 2, 2024
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  • Exam (elaborations)
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  • APES
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Primary Productivity – APES Questions
and Answers
What percent of the sunlight is actually converted into chemical energy via
photosynthesis? - answer Less than 1%

What percent of the sunlight is reflected and/or absorbed? - answer 70%

What is the word equation for the process of photosynthesis? - answer carbon
dioxide + water + the sun's energy → glucose + oxygen

What is the word equation for cellular respiration? - answer glucose + oxygen →
carbon dioxide + water + the sun's energy

What is meant by the term 'gross primary productivity'? - answer It is the total
amount of chemical energy produced by autotrophs

What is the relationship between net primary productivity and gross product
productivity? Write the equation. - answer NPP = GPP - R

[IMAGE BASED QUESTION]
Where is the GPP highest? - answer Southeastern U.S.

[IMAGE BASED QUESTION]
[Where is the GPP] the lowest? - answer West/midwestern U.S.

[IMAGE BASED QUESTION]
Why [referring to 7 and 8]? - answer GPP in these areas differ due to the climate
(cold/dry in the west versus wet/warm in the southeast)

[IMAGE BASED QUESTION]
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What types of ecosystems have the highest productivity per unit area? - answer
Estuaries, swamps and marshes, tropical rain forests, and temperate rain forests.

[IMAGE BASED QUESTION]
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What ecosystems have the least amount of productivity per unit area? - answer
Tundras, the open ocean, desert scrubs, and the extreme desert.

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