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

What is a unique adaptation of the Sand Grouse species?

<p>Storing water in its feathers (D)</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 (A)</p> Signup and view all the answers

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

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

What is the characteristic that unites all living organisms?

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

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

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

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

<p>Environmental stress (A)</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 (D)</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 (A)</p> Signup and view all the answers

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

<p>Natural selection (A)</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 (B)</p> Signup and view all the answers

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

<p>Genetic basis (B)</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 (B)</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 (D)</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 (D)</p> Signup and view all the answers

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