Reproduction in Organisms Quiz
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Questions and Answers

What term describes populations of different species that occupy the same region at the same time?

  • Savanna
  • Biosphere
  • Community (correct)
  • Ecosystem
  • What is the global ecosystem that includes the parts of the planet where life is possible?

  • Savanna
  • Ecosystem
  • Community
  • Biosphere (correct)
  • What is the process collectively called that allows organisms to acquire and use energy and nutrients to sustain life?

  • Photosynthesis
  • Homeostasis
  • Decomposition
  • Metabolism (correct)
  • Which category of organisms makes their own food by extracting energy and nutrients from non-living sources?

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

    What is the term for the state of internal constancy that cells must maintain to survive?

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

    Which type of organisms absorb energy and nutrients from wastes or dead organisms?

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

    Autotrophs are organisms that:

    <p><em>Make their own food by extracting energy from non-living sources</em></p> Signup and view all the answers

    What are the two basic ways in which reproduction occurs?

    <p>Asexual and sexual</p> Signup and view all the answers

    Which process results in offspring that are virtually identical to the parent?

    <p>Asexual reproduction</p> Signup and view all the answers

    Why does sexual reproduction contribute to tremendous diversity in a population?

    <p>Because it involves mixing genes from two parents</p> Signup and view all the answers

    Which type of reproduction is advantageous in environments where conditions change frequently?

    <p>Sexual reproduction</p> Signup and view all the answers

    What must an organism do before it can reproduce?

    <p>Mature into an adult</p> Signup and view all the answers

    In which organisms is sexual reproduction common?

    <p>Plants, animals, and fungi</p> Signup and view all the answers

    What does genetic diversity enhance in a population?

    <p>Survival under changing conditions</p> Signup and view all the answers

    What does reproduction transport from generation to generation?

    <p>DNA only</p> Signup and view all the answers

    What is the smallest chemical unit of a pure substance (element)?

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

    Which level of organization consists of a group of joined atoms?

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

    What is the fundamental unit of life?

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

    Which characteristic of life involves the function of metabolism?

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

    What level of organization consists of organs connected physically or chemically that function together?

    <p>Organ system</p> Signup and view all the answers

    Which characteristic of life involves natural selection?

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

    What is a membrane-bounded structure with a specific function in a cell called?

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

    'Homeostasis' refers to the maintenance of what in living organisms?

    <p>'Internal Consistency'</p> Signup and view all the answers

    What is the main purpose of adaptations in organisms?

    <p>To ensure they survive and reproduce successfully in their environment</p> Signup and view all the answers

    Which of the following best describes an adaptation?

    <p>An inherited characteristic that improves an organism's chances of survival and reproduction</p> Signup and view all the answers

    Why is the example of the Peppered moth mentioned in the text significant?

    <p>It shows how human activities can influence natural selection and adaptation in organisms</p> Signup and view all the answers

    Which statement best describes the purpose of a praying mantis's physical adaptations?

    <p>To camouflage itself effectively</p> Signup and view all the answers

    What does the statement 'Of all the offspring in a population, the ones that will outcompete the others and live long enough to reproduce are the ones with the best adaptations.' imply?

    <p>Offspring compete for resources within a population</p> Signup and view all the answers

    In the context of adaptations, what does 'Camouflage' refer to?

    <p>The ability of organisms to blend in with their surroundings for protection</p> Signup and view all the answers

    'An adaptation is an inherited characteristic or behavior that enables an organism to survive and reproduce successfully in its environment.' Which part of this statement emphasizes the importance of adaptations?

    <p>'Survive and reproduce successfully'</p> Signup and view all the answers

    Why is it mentioned that 'If the Peppered moth had not been able to adapt its colouration to the human-impacted environment, it likely would have gone extinct over a century ago.'?

    <p>To emphasize the consequences of not adapting to changing environments</p> Signup and view all the answers

    'Life ensures that organisms are well suited for their environment.' What is implied by this statement?

    <p>'Organisms exhibit characteristics that match their environment'</p> Signup and view all the answers

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