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Ecosystems Quiz

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Questions and Answers

What are the components that make up an ecosystem?

Only energy flows

Only physical environment

Both living organisms and physical environment (correct)

Only living organisms

How is energy incorporated into plant tissue in an ecosystem?

Through photosynthesis (correct)

Through nutrient cycles

Through decomposition of dead organic matter

Through climate factors

What role do animals play in the movement of matter and energy in an ecosystem?

They play an important role in the movement of matter and energy (correct)

They only consume plant tissue

They have no role in matter and energy movement

They only influence the quantity of plant biomass

How do decomposers facilitate nutrient cycling in an ecosystem?

By converting nutrients to a form readily used by plants and microbes Signup and view all the answers

What controls the overall structure of an ecosystem?

Both internal and external factors Signup and view all the answers

What is the electrical conductivity of a semiconductor in comparison to a conductor and an insulator?

Between that of a conductor and an insulator Signup and view all the answers

How does the resistivity of a semiconductor change with temperature?

Falls as its temperature rises Signup and view all the answers

What alters the conducting properties of a semiconductor?

Introducing impurities into the crystal structure Signup and view all the answers

What is created when two differently doped regions exist in the same crystal of a semiconductor?

A semiconductor junction Signup and view all the answers

Which of the following is an example of a semiconductor?

Gallium arsenide Signup and view all the answers

Ecosystems Quiz

Choose a study mode

Podcast

Questions and Answers

What are the components that make up an ecosystem?

How is energy incorporated into plant tissue in an ecosystem?

What role do animals play in the movement of matter and energy in an ecosystem?

How do decomposers facilitate nutrient cycling in an ecosystem?

What controls the overall structure of an ecosystem?

What is the electrical conductivity of a semiconductor in comparison to a conductor and an insulator?

How does the resistivity of a semiconductor change with temperature?

What alters the conducting properties of a semiconductor?

What is created when two differently doped regions exist in the same crystal of a semiconductor?

Which of the following is an example of a semiconductor?

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