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Nitrogen Cycle and Energy Flows in Natural Systems

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Nitrogen Cycle and Energy Flows in Natural Systems

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Questions and Answers

What can improve the stability of systems?

Increasing diversity and storage (correct)

Maintaining a fixed amount of storage

Reducing diversity and storage

Decreasing the size of the system

Why can it be difficult to identify changes in systems and predict tipping points?

Because of time delays with feedback loops (correct)

Because of immediate feedback loops

Because of the complexity of the system

Because of a lack of data

How can the Earth be modeled?

As a completely chaotic system

As a system of systems (correct)

As a collection of separate systems

As a single system

What are biomes?

Collections of ecosystems Signup and view all the answers

What is the average amount of energy provided by the sun per square meter?

1400 watts Signup and view all the answers

What is the term for the natural phenomenon that maintains suitable temperatures for living systems?

The greenhouse effect Signup and view all the answers

What happens to a lot of the sun's energy that is absorbed by inorganic matter?

It is unavailable for ecosystems Signup and view all the answers

What is the difference between short wave radiation and long wave radiation?

Short wave radiation comes from the sun, while long wave radiation is reradiated from the Earth Signup and view all the answers

What is the main focus of the next chapter?

Systems at different scales Signup and view all the answers

What is the building block of life as we know it?

Energy and matter Signup and view all the answers