2nd Trimester Benchmark Review (Part 3)

7 Questions | Total Attempts: 359

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2nd Trimester Benchmark Review (Part 3)

This is the third part of your benchmark review


Questions and Answers
  • 1. 
    What did the movement of Earth's plates do to life on Earth?
    • A. 

      Organisms became separated and new species foo

    • B. 

      There was less oxygen, so they died

    • C. 

      Organisms couldn't survive in the oceans

    • D. 

      Organisms didn't change at all

  • 2. 
    What was the Cambrian Explosion?
    • A. 

      Volcanoes erupting

    • B. 

      Meteors making explosions

    • C. 

      A bomb exploding

    • D. 

      Sudden appearance of various animals

  • 3. 
    What was the atmosphere like in the early Earth?
    • A. 

      Small amounts of water and nitrogen

    • B. 

      No ozone and small amounts of oxygen

    • C. 

      More oxygen and other chemicals than today

    • D. 

      It was really windy and cloudy

  • 4. 
    What did the extinction of dinosaurs do for mammals?
    • A. 

      Increased the diversity of mammals

    • B. 

      Made more plants for mammals to eat

    • C. 

      The climate changed and mammals liked the new climate

    • D. 

      There were more fish to eat for mammals

  • 5. 
    Where is sperm produced?
    • A. 

      Ovaries

    • B. 

      Prostate

    • C. 

      Testes

    • D. 

      Urethra

  • 6. 
    What is ovulation?
    • A. 

      Egg cells are released from the ovary

    • B. 

      The shedding of the lining of the uterus

    • C. 

      The process of a sperm fertilizing an egg

    • D. 

      When a sperm has fertilized an egg

  • 7. 
    What is the result of human reproduction?
    • A. 

      Sperm gets made

    • B. 

      Hormones are affected by sperm

    • C. 

      Eggs are released by the ovaries

    • D. 

      Eggs may be fertilized by sperm

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