Ecosystem and Food Chain Quiz

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What do food webs represent in an ecosystem?

Territorial boundaries between trophic levels

Physical structures where organisms interact

Feeding relationships between organisms in different food chains (correct)

Energy storage locations within the ecosystem

How does energy flow within an ecosystem, as described in the text?

In a random pattern irrespective of trophic levels

Linearly through a single food chain

Only between trophic levels of quaternary consumers

In a complex manner through interconnected food chains (correct)

What happens to energy when it is transferred from one trophic level to the next?

50% of the energy is transferred

100% of the energy is transferred

5% of the energy is transferred

10% of the energy is transferred (correct)

Why is only 10% of energy transferred between trophic levels?

As a result of energy loss to heat, metabolism, or leftovers Signup and view all the answers

What does the example of a grasshopper being eaten by a robin illustrate?

Energy transfer efficiency in food chains Signup and view all the answers

In what direction does energy flow within an ecosystem?

Upward from producers to higher trophic levels Signup and view all the answers

What do food webs help us understand about ecosystems?

The interconnectedness of feeding relationships Signup and view all the answers

How does the complexity of energy flow differ between a food chain and a food web?

Energy flow is more complex and interconnected in a food web than in a food chain Signup and view all the answers

What causes the loss of energy during transfers between trophic levels?

Heat, metabolism, or unconsumed matter by organisms Signup and view all the answers

How does the rule of thumb for energy transfer between trophic levels impact ecosystems?

It helps maintain balance within ecosystems by regulating energy flow Signup and view all the answers

Ecosystem and Food Chain Quiz

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Questions and Answers

What do food webs represent in an ecosystem?

How does energy flow within an ecosystem, as described in the text?

What happens to energy when it is transferred from one trophic level to the next?

Why is only 10% of energy transferred between trophic levels?

What does the example of a grasshopper being eaten by a robin illustrate?

In what direction does energy flow within an ecosystem?

What do food webs help us understand about ecosystems?

How does the complexity of energy flow differ between a food chain and a food web?

What causes the loss of energy during transfers between trophic levels?

How does the rule of thumb for energy transfer between trophic levels impact ecosystems?

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