Consumer Categories and Food Chains Quiz
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Questions and Answers

What percentage of incoming solar energy is absorbed by plants?

  • 30%
  • 19%
  • 51%
  • 0.023% (correct)
  • Which organisms are considered producers in the context of photosynthesis?

  • Humans
  • Animals
  • Bacteria
  • Plants (correct)
  • What is the primary function of primary productivity in ecology?

  • Rate at which producers photosynthesize (correct)
  • Converting glucose into energy
  • Creating oxygen from carbon dioxide
  • Converting energy into glucose
  • Which process involves the conversion of sugar into carbon dioxide, water, and energy?

    <p>Cellular Respiration (C)</p> Signup and view all the answers

    What factor does NOT affect primary productivity?

    <p>Presence of chlorophyll (B)</p> Signup and view all the answers

    In what process is oxygen produced as a byproduct?

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

    What is the main consequence of removing a species from an ecosystem?

    <p>Decrease in the number of animals that would normally eat it (A)</p> Signup and view all the answers

    What is the primary reason why organisms only consume a small part of the energy stored in their food?

    <p>Energy is used for life processes such as movement and reproduction (A)</p> Signup and view all the answers

    Why does introducing a new species into an ecosystem lead to changes in feeding patterns?

    <p>New species often prey on existing species (A)</p> Signup and view all the answers

    What role does the Bald Eagle play in the mentioned food web?

    <p>Third-level consumer (D)</p> Signup and view all the answers

    Based on the ten-percent-law, what percentage of energy is passed on from one trophic level to the next?

    <p>10% (B)</p> Signup and view all the answers

    What would be the immediate impact on the ecosystem if Phytoplankton were removed?

    <p>Decrease in energy flow through the food web (A)</p> Signup and view all the answers

    What is the main function of cellular respiration?

    <p>Producing carbon dioxide and water (B)</p> Signup and view all the answers

    Which type of organisms rely on consuming other organisms for energy?

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

    What happens if there is no sunlight available for photosynthesis?

    <p>No food for plants (B)</p> Signup and view all the answers

    Which organisms are categorized as producers?

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

    What is the primary source of energy for most autotrophs?

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

    What happens when an organism undergoes cellular respiration?

    <p>Sugar and oxygen are produced (B)</p> Signup and view all the answers

    What percentage of energy from the Sun is available to Quaternary Consumers in an energy pyramid?

    <p>1% (B)</p> Signup and view all the answers

    Why is the bulk of the energy received from the previous trophic level used by organisms?

    <p>For movement, growth, and reproduction (C)</p> Signup and view all the answers

    What type of ecological pyramid displays the amount of energy stored in different trophic levels?

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

    How much energy is passed on from Primary Producers to Secondary Consumers according to the ten percent law?

    <p>10% (B)</p> Signup and view all the answers

    What happens to the rest of the energy that is not passed on to the next trophic level?

    <p>It is released as heat energy (D)</p> Signup and view all the answers

    What is the role of detrivores/scavengers in an ecosystem?

    <p>Obtain energy from dead matter or waste (D)</p> Signup and view all the answers

    Which type of consumer is essential for the 'circle of life' by causing decay and releasing nutrients back into the environment?

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

    What is the primary characteristic of a herbivore?

    <p>Eats plants (C)</p> Signup and view all the answers

    In a food chain, what do the arrows typically represent?

    <p>Direction of energy flow (C)</p> Signup and view all the answers

    What happens when one link is broken in a food chain?

    <p>Impacts the entire food chain (B)</p> Signup and view all the answers

    What is the significance of trophic levels in a food chain?

    <p>Shows how energy is transferred between levels (C)</p> Signup and view all the answers

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