Energy Pyramid in Ecosystems
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Questions and Answers

What is the primary purpose of an energy pyramid?

  • Show the physical location of different species in an ecosystem
  • Display the number of organisms in each trophic level
  • Illustrate the reproductive capabilities of each trophic level
  • Demonstrate and quantify the flow of energy in an ecosystem (correct)

Which trophic level in an ecosystem contains organisms that make their own food?

  • Tertiary consumers
  • Secondary consumers
  • Primary consumers
  • Producers (correct)

In an energy pyramid, where are organisms with higher energy levels typically located?

  • Closer to the top of the pyramid (correct)
  • Spread evenly across the pyramid
  • At the base of the pyramid
  • In the middle of the pyramid

What is the main form of energy transfer between trophic levels in an energy pyramid?

<p>Predation (D)</p> Signup and view all the answers

How do multiple food chains differ from a food web?

<p>Food chains focus on one trophic level, while food webs show interactions across multiple levels (C)</p> Signup and view all the answers

What percentage of the total energy from the sun do tertiary consumers receive in the energy pyramid?

<p>0.1% (A)</p> Signup and view all the answers

In an energy pyramid, why do secondary consumers receive only 10% of the energy contained in the primary consumers?

<p>Because primary consumers use most of their energy to grow and reproduce. (C)</p> Signup and view all the answers

What is the main role of decomposers in the energy pyramid ecosystem?

<p>To recycle nutrients back into the soil (D)</p> Signup and view all the answers

Why are there fewer tertiary consumers compared to producers in an ecosystem?

<p>Because there is less total energy available to tertiary consumers compared to producers. (A)</p> Signup and view all the answers

What happens to the amount of available energy as you move up through the trophic levels of an energy pyramid?

<p>It decreases (D)</p> Signup and view all the answers

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