True/False
Indicate whether the statement is true or
false.
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1.
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Earth’s first atmosphere contained much more oxygen than the atmosphere we
have today.
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Multiple Choice
Identify the choice that best completes the statement or
answers the question.
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2.
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When earth was first formed
a. | meteors struck it often | b. | only grasses grew | c. | it was covered with
water | d. | there was life only in the seas |
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3.
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The first life on earth was probably
a. | viruses | b. | grasses | c. | algae | d. | prokaryotes |
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4.
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The time when dinosaurs roamed the earth is called the
a. | permian period | b. | triassic period | c. | jurassic
period | d. | cretaceous period |
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5.
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Human beings are classified as
a. | birds | b. | fish | c. | amphibians | d. | mammals |
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