Biology: Unity of Type and Conditions of Existence
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Questions and Answers

What is the concept of unity of type also known as?

  • Unity of adaptation
  • Unity of habitat
  • Unity of descent (correct)
  • Unity of species

    • What is the primary mechanism by which natural selection acts?

  • Selectively breeding species
  • Drifting genetic traits
  • Mutating genetic information
  • Adapting the varying parts of each being to its organic and inorganic conditions of life (correct)

    • What is the level at which natural selection typically acts?

  • Ecosystem level
  • Species level
  • Individual level (correct)
  • Population level

    • What is the main threat to the Cinnamon teal's population?

    <p>Climate change</p> Signup and view all the answers

    What is a unique adaptation of the Sand Grouse species?

    <p>Storing water in its feathers</p> Signup and view all the answers

    What is a key point to consider about natural selection?

    <p>It is very slow and not necessarily progressive</p> Signup and view all the answers

    What is the primary mechanism that explains the diversity of life on Earth?

    <p>Natural selection</p> Signup and view all the answers

    What is the characteristic that unites all living organisms?

    <p>Similar genetic code</p> Signup and view all the answers

    What is the term for the process by which organisms adapt to their environment?

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

    What is the factor that drives the evolution of higher-order animals?

    <p>Environmental stress</p> Signup and view all the answers

    What is the term for the random change in the frequency of a gene or genetic trait in a population?

    <p>Genetic drift</p> Signup and view all the answers

    What is the term for the range of different species that exist within a particular ecosystem?

    <p>Species variation</p> Signup and view all the answers

    What is the primary mechanism that drives evolution, as proposed by Charles Darwin?

    <p>Natural selection</p> Signup and view all the answers

    What is the result of the difference in survival and reproduction rates among individuals in a population?

    <p>Change in genetic composition of the population</p> Signup and view all the answers

    What is the underlying basis for the trait of brown coloration in beetles?

    <p>Genetic basis</p> Signup and view all the answers

    What is the ultimate outcome of the process of evolution by natural selection, if continued over time?

    <p>All individuals in the population will have the advantageous trait</p> Signup and view all the answers

    According to the laws of natural selection, what is the underlying principle that guides the process of evolution?

    <p>Unity of type and conditions of existence</p> Signup and view all the answers

    What is the result of variation among individuals in a population, such as the difference in color between green and brown beetles?

    <p>Difference in survival and reproduction rates</p> Signup and view all the answers

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