Ecological Relationships
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Questions and Answers

Which of the following describes a mutualistic relationship?

  • One species benefits while the other is neither harmed nor helped
  • One species benefits while the other is harmed
  • Both species benefit (correct)
  • No species benefits
  • What type of relationship is exhibited between Spanish Moss and trees in Florida?

  • Commensalism (correct)
  • Mutualism
  • Competition
  • Parasitism
  • Which of the following is an example of a decomposer?

  • Deer
  • Tree
  • Fungi (correct)
  • Algae
  • Which term refers to a group consisting of all the members of a species who live in a defined area?

    <p>Population</p> Signup and view all the answers

    What is the difference between habitat and niche?

    <p>Habitat refers to where an organism lives, while niche refers to how an organism meets its needs.</p> Signup and view all the answers

    What is an example of a symbiotic relationship?

    <p>A close and permanent relationship between organisms</p> Signup and view all the answers

    Which type of organism makes up the base of the Pyramid of Energy?

    <p>Autotrophs</p> Signup and view all the answers

    What is the source of energy for all of these ecological pyramids?

    <p>Sunlight</p> Signup and view all the answers

    At which level of the food web is the supply of energy the greatest?

    <p>Producer</p> Signup and view all the answers

    What percent of the energy is transferred from one trophic level to the next?

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

    What does the Pyramid of Biomass show?

    <p>The total dry weight of living materials at each trophic level.</p> Signup and view all the answers

    Which elements are essential to all forms of life?

    <p>Carbon, Hydrogen, Nitrogen, Oxygen, Phosphorus, Sulfur</p> Signup and view all the answers

    What is the primary source of water on Earth?

    <p>Oceans</p> Signup and view all the answers

    Which element is weathered out of rocks and is essential for amino acids, DNA, RNA, and other small molecules in our bodies?

    <p>Phosphorus</p> Signup and view all the answers

    What gas do producers make through photosynthesis?

    <p>Oxygen</p> Signup and view all the answers

    Which of the following is an example of an abiotic part of an ecosystem?

    <p>Mineral salts</p> Signup and view all the answers

    What are mineral salts made of?

    <p>Nitrogen, calcium, sulfur, and phosphorus</p> Signup and view all the answers

    What is the purpose of adding salt solutions to the petri dish with planaria?

    <p>To determine which solution is harmful to planaria</p> Signup and view all the answers

    Which salt solution would be most harmful to the planaria?

    <p>5% Solution</p> Signup and view all the answers

    Which solutions caused a change in the movement of the planaria?

    <p>5% Solution</p> Signup and view all the answers

    Which solution did not change the shape and movement of planaria?

    <p>No Salt</p> Signup and view all the answers

    Which of the following is a primary consumer?

    <p>Caterpillar</p> Signup and view all the answers

    What is a food web?

    <p>A group of connected food chains</p> Signup and view all the answers

    How do primary consumers get their energy?

    <p>They eat producers</p> Signup and view all the answers

    Which organisms in the food chains are considered secondary consumers?

    <p>Fox, snake, owl</p> Signup and view all the answers

    Which of the following is NOT a terrestrial biome?

    <p>Coral Reef</p> Signup and view all the answers

    What is the first species to begin colonizing the barren rock in primary succession?

    <p>Lichens</p> Signup and view all the answers

    Which biome receives the smallest amount of rainfall?

    <p>Desert</p> Signup and view all the answers

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