Intro to Ecology: Species, Population, and Community
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Questions and Answers

What is the scientific study of interactions among organisms and between organisms and the environment?

  • Biology
  • Environmental Science
  • Conservation
  • Ecology (correct)
  • What is the term for the combined portions of the planet where all life exists?

  • Habitat
  • Biome
  • Biosphere (correct)
  • Ecosystem
  • What is the term for a group of organisms that can breed and produce fertile offspring?

  • Species (correct)
  • Community
  • Ecosystem
  • Population
  • What are the physical, non-living factors that influence an ecosystem?

    <p>Abiotic Factors</p> Signup and view all the answers

    What is the term for a collection of all organisms that live in a particular place together with their non-living environment?

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

    What provides populations of wildlife with food, water, shelter, and space?

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

    What is the term for the full range of physical and biological conditions in which an organism lives?

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

    What is the process of water moving from the ground into the soil called?

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

    Which of the following is NOT a part of the water cycle?

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

    What is the term for the process by which plants produce food from sunlight or chemicals?

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

    What is the flow of energy through an ecosystem necessary for?

    <p>The ability to sustain life</p> Signup and view all the answers

    What is the waste product released by plants into the atmosphere?

    <p>O2</p> Signup and view all the answers

    What is the term for an ecosystem that is very small, such as an aquarium?

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

    What is the term for a species that has a significant impact on a community despite not being abundant?

    <p>Keystone species</p> Signup and view all the answers

    What is the term for a harmless species that mimics an unpalatable or harmful species?

    <p>Batesian mimicry</p> Signup and view all the answers

    What is the term for the process by which energy is transferred through an ecosystem?

    <p>Energy flow</p> Signup and view all the answers

    What is the term for two or more unpalatable species that resemble each other?

    <p>Müllerian mimicry</p> Signup and view all the answers

    What is the term for a group of organisms living in a community, along with all the abiotic factors they interact with?

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

    What is the process by which energy from light is converted to chemical energy?

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

    What is the term for the amount of energy available to consumers in an ecosystem?

    <p>Net primary production</p> Signup and view all the answers

    Which of the following organisms feed on dead organic matter?

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

    What is the percentage of production transferred from one trophic level to the next?

    <p>5-20%</p> Signup and view all the answers

    What is the term for the amount of energy converted to biomass by consumers during a given period of time?

    <p>Secondary production</p> Signup and view all the answers

    Which of the following is NOT a type of consumer?

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

    What does a pyramid of net production represent?

    <p>The loss of energy with each transfer in a food chain</p> Signup and view all the answers

    What happens to toxins in a food web?

    <p>They become more concentrated at higher trophic levels</p> Signup and view all the answers

    What is species diversity?

    <p>The variety of species in an ecosystem or throughout the biosphere</p> Signup and view all the answers

    What is an endangered species?

    <p>A species that is in danger of becoming extinct throughout its range</p> Signup and view all the answers

    What is biological magnification?

    <p>The concentration of toxins at higher trophic levels of a food web</p> Signup and view all the answers

    What is ecosystem diversity?

    <p>The variety of ecosystems in the biosphere</p> Signup and view all the answers

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