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Ecosystems Reviewer: Concepts of Ecosystem

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Ecosystems Reviewer: Concepts of Ecosystem

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Questions and Answers

What does an ecosystem comprise of?

Only non-living factors

Both living organisms and non-living factors (correct)

Only living organisms

Only physical environment

Which of the following is an example of an abiotic factor?

Animals

Fungi

Sunlight (correct)

Plants

What is the purpose of food webs in an ecosystem?

Represent the linear flow of energy and nutrients

Cycles minerals through the biosphere

Show the interconnectedness of multiple food chains (correct)

Regulate essential ecological processes

How is energy lost in an ecosystem flow?

Lost as heat Signup and view all the answers

What is the primary function of ecosystems in nutrient cycling?

Movement and exchange of matter for living matter production Signup and view all the answers

What is the main difference between a food chain and a food web?

A food chain illustrates energy passage in one direction while a food web shows multiple interconnections. Signup and view all the answers

What is the significance of decomposers in an ecosystem?

Decomposers recycle nutrients by breaking down dead organic matter into simpler forms. Signup and view all the answers

How is energy lost as it moves through trophic levels?

Energy is lost as heat, waste, and through metabolic processes. Signup and view all the answers

Which component of an ecosystem includes living organisms and their waste materials?

Biotic components Signup and view all the answers

What do herbivores, carnivores, omnivores, and parasites have in common?

They all rely on autotrophs or other consumers for nutrition. Signup and view all the answers