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NCSCOS Grade 8 Science - Topic: 8.L.4 Evolution and Genetics

Quiz by NCDPI

Grade 8
Science
North Carolina Standard Course of Study

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8 questions
Show answers
  • Q1
    What do transitional fossils BEST support?
    the Theory of Continental Drift
    the Law of Superposition
    the Theory of Biological Evolution
    the Theory of Geological Evolution
    60s
    8.L.4.1
  • Q2
    Tigers and household cats are members of the same family; however, their sizes are vastly different. What is the cause of this difference?
    genetics
    behavioral makeup
    habitat size
    biochemical makeup
    60s
    8.L.4.2
  • Q3
    Scientists think that dolphins and whales may have evolved from a common ancestor. What evidence supports this hypothesis?
    They eat the same food.
    They live in the same area of the ocean.
    They swim the same way.
    They have similar anatomies.
    60s
    8.L.4.1
  • Q4
    In the winter, the fur of the arctic fox is white. In summer, the fur darkens to a reddish brown. What MOST LIKELY causes the fur of the fox to change color?
    the fox's genes
    the fox's age
    the fox's habitat
    the amount of sunlight present
    60s
    8.L.4.2
  • Q5
    Which would BEST allow a species to survive environmental changes?
    small population
    low mutation rate
    genetic diversity
    similar physical features
    60s
    8.L.4.2
  • Q6
    What process is MOST responsible for the extinction of most species of plants and animals that have lived on Earth?
    decrease in reproduction
    selective breeding
    environmental changes
    gene mutation
    60s
    8.L.4.1
  • Q7
    Which would indicate that a series of fossils represent the evolution of the horse?
    All of the fossils are completely identical to horse bones.
    All of the fossils were located in the same place on Earth as horses.
    All of the fossils show similar structures to that of the modern horse.
    All of the fossils were found in the same layers of rocks as horse fossils.
    60s
    8.L.4.1
  • Q8
    A strawberry farmer finds that, after a hard freeze, some of his strawberries are still alive. Which BEST explains why these strawberries were able to survive?
    They have different genetic variations that cause them to be more resistant to cold temperatures.
    The color of the strawberries is darker, and they maintain their temperature better than other strawberries.
    A They have larger leaves to protect the fruit than the other strawberries.
    They are able to reproduce more quickly than the other strawberries.
    60s
    8.L.4.2

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