Energy Flow in Ecosystems

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8 Terms

1
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What is the process of photosynthesis?

The process of converting light energy into chemical energy.

2
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How does energy flow through the ecosystem?

Energy enters as light, flows as nutrients through food chains, and usually leaves as heat.

3
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What nutrients cycle through food chains?

Recycled nutrients include carbon, nitrogen, and phosphorus.

4
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What is a food chain?

A food chain is a sequence of organisms, each of which feeds on the previous organism.

<p>A food chain is a sequence of organisms, each of which feeds on the previous organism.</p>
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Who are the first organisms in a food chain?

Producers are the first organisms in a food chain.

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What do arrows represent in a food chain?

Arrows represent the transfer of energy.

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What does a food web illustrate?

A food web shows the complexity of feeding relationships by illustrating interacting and interconnecting food chains.

<p>A food web shows the complexity of feeding relationships by illustrating interacting and interconnecting food chains.</p>
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What distinguishes a food web from a food chain?

A food web includes multiple food chains and shows the amount of consumers involved.