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Scientist trying are to determine what makes dolphins, humans different

Quiz by Kevin Richard

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4 questions
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  • Q1
    What is the selection, or article mostly about?
    how man types of animals are there in the world
    how dolphins are different from humans
    how some types of dolphins are different from others
    how scientist study differences between animal types
    30s
  • Q2
    What is the main goal of the section "Head Count"?
    Scientists found that there are fewer types of human than they thought
    scientists found very old skulls that they are starting to study
    scientist found that dolphins and humans have a lot in common
    scientist found that there are more types of dolphins than humans
    30s
  • Q3
    Read the selection from the section "Big Differences in Dolphin DNA." THERE ARE FOUR DIFFERENT TYPES OF HUMPBACK DOLPHIN. THEY EACH LIVE IN DIFFERENT PARTS OF THE WORLD. ALL FOUR TYPES LOOK ALIKE. HOWEVER, THEIR DNA IS DIFFERENT. DNA IS THE BUILDING BLOCK OF LIFE. ITS TELLS THE BODY HOW TO GROW AND WORK. SCIENTISTS LOOKED AT DOLPHINS ALL AROUND THE WORLD. THEY STUDIED THE DOLPHINS' DNA. THEY FOUND BIG DIFFERENCE BETWEEN THE FOUR HUMPBACK DOLPHINS TYPES. Based on this information , DNA is....
    a type of humpback dolphin
    where in the world an animal lives
    how an animal thinks and acts
    what tells the body how to grow
    30s
  • Q4
    Read the following sentence from the section "Big Differences in Dolphin DNA." THERE ARE FOUR DIFFERENT TYPES OF HUMPBACK DOLPHIN. Which word could replace "types" without changing its meaning?
    kinds
    ideas
    sizes
    colors
    30s

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