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TExES™ Core Subjects EC–6: Science Examination Book Serial Number
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TExES™ Core Subjects EC–6: Science Examination Book Serial Number

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Questions and Answers

What is the main reason for the development of different domesticated dog breeds?

  • The evolution of similar traits in different dog breeds that inhabit similar environments
  • The fitness of certain dog breeds in particular natural environments
  • The artificial selection of dogs that have desirable traits (correct)
  • The ability of dogs to breed with many other mammal species

    • Which ecosystem component serves as the base of a food chain?

  • Air
  • Plants (correct)
  • Minerals
  • Water

    • What is the correct comparison between the mass of a puddle of water and the water vapor after evaporation?

  • The puddle of water has a mass equal to that of the water vapor since the water has only changed phases.
  • The puddle of water has greater mass than the water vapor since the puddle is a liquid and the vapor is a gas. (correct)
  • The puddle of water has a mass equal to that of the water vapor because the puddle and vapor take up the same amount of space.
  • The puddle of water has greater mass than the water vapor since the puddle remains close to the surface of Earth.

    • What has been considered most responsible for the warming of Earth’s atmosphere since the late 1800s?

    <p>Increasing carbon dioxide emissions</p> Signup and view all the answers

    What must test-takers do with the examination book according to the text?

    <p>Return it at the end of the exam</p> Signup and view all the answers

    What should test-takers do if they are unsure of an answer according to the text?

    <p>Guess instead of leaving it unanswered</p> Signup and view all the answers

    Which organization owns the trademark for 'TExES' and its logo?

    <p>Texas Education Agency (TEA)</p> Signup and view all the answers

    What is prohibited in terms of reproducing the exam material according to the text?

    <p>Reproducing in any format or media</p> Signup and view all the answers

    How many selected-response questions are there for Core Subjects EC–6: Science according to the text?

    <p>38</p> Signup and view all the answers

    Which statement correctly reflects what test-takers should do about unanswered questions?

    <p>Attempt to answer all questions</p> Signup and view all the answers

    What is the best way to compare the force Framp to the force Flift?

    <p>Framp and Flift cannot be compared</p> Signup and view all the answers

    Which of the following scenarios best describes a chemical reaction?

    <p>The production of gas by yeast cells during bread making</p> Signup and view all the answers

    What characteristic is most likely to distinguish an organism as a member of the class Insecta?

    <p>Number of pairs of legs</p> Signup and view all the answers

    How is the population of mice likely to be affected when displaced to a new environment on dark-colored rock?

    <p>Shift in fur coloration</p> Signup and view all the answers

    Which action would best help students engage in problem-solving related to their daily lives?

    <p>Suggesting students explore a solution relevant to their daily lives</p> Signup and view all the answers

    What task is NOT associated with a chemical reaction?

    <p>Slicing bread during a meal</p> Signup and view all the answers

    Which process allows water to be absorbed from the surface of leaves?

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

    Which type of mammalian cells can pass on changes in DNA to future offspring?

    <p>Sperm cells</p> Signup and view all the answers

    What type of characteristic do longer legs represent for climbing lizards in this instance?

    <p>An adaptation</p> Signup and view all the answers

    What type of organism has the most direct immediate effect from a decrease in the population of a producer in a food chain?

    <p>Primary consumer</p> Signup and view all the answers

    Which type of rock is formed under conditions of intense heat and pressure without enough heat to melt the rock material?

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

    What is the most likely outcome for the proportion of light-colored mice in a population due to predation?

    <p>The proportion will decrease due to increased predation.</p> Signup and view all the answers

    What is the most likely environmental impact of deforesting land along a river?

    <p>An increase in the rate of soil erosion into the river.</p> Signup and view all the answers

    Where is the majority of Earth's nitrogen found?

    <p>In the atmosphere.</p> Signup and view all the answers

    What is the main reason for the decrease in the proportion of light-colored mice?

    <p>Increased predation.</p> Signup and view all the answers

    What is the primary cause of increased soil erosion into a river?

    <p>Deforestation.</p> Signup and view all the answers

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