Chapter 25 Quiz

9 Questions | Total Attempts: 14

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Chapter 25 Quiz

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Questions and Answers
  • 1. 
      Which one of the animals below are sessile?
    • A. 

      Octopus

    • B. 

      Sea sponge

    • C. 

      Turtle

    • D. 

      Cow

  • 2. 
      Which one of the following is NOT a stage or part of an embryo?
    • A. 

      Zygote

    • B. 

      Blastula

    • C. 

      Gastrula

    • D. 

      Mesoderm

  • 3. 
      Ectoderm, endoderm, and mesoderm are all cell layers within theā€¦
    • A. 

      Blastula

    • B. 

      Zygote

    • C. 

      Gastrula

    • D. 

      Egg

  • 4. 
      At what point does a fertilized egg become an embryo?
    • A. 

      When it becomes a gastrula

    • B. 

      When it becomes a blastula

    • C. 

      When it is first fertilized

    • D. 

      After the first cell division

  • 5. 
      Which one of the following objects has bilateral symmetry?
    • A. 

      Quarter

    • B. 

      Book

    • C. 

      Clock face

    • D. 

      Basketball

  • 6. 
      Which one of the following animals is a vertebrate?
    • A. 

      Human

    • B. 

      Squid

    • C. 

      Earthworm

    • D. 

      Jellyfish

  • 7. 
      An invertebrate is an animal that lacks what organ?
    • A. 

      Stomach

    • B. 

      Rib cage

    • C. 

      Skeleton

    • D. 

      Backbone

  • 8. 
      Which group of animals below all have bilateral symmetry?
    • A. 

      Fish, frog, human, cat

    • B. 

      Fish, jellyfish, anemone, cow

    • C. 

      Jellyfish, anemone, sea sponge, coral

    • D. 

      Human, starfish, sea sponge, fish

  • 9. 
      Which group of animals are the most advanced?
    • A. 

      Acoelomates

    • B. 

      Pseudocoelomates

    • C. 

      Coelomates

    • D. 

      Coeloderms