Vertebrates And Invertebrates Quiz Questions And Answers

Reviewed by Stephen Reinbold
Stephen Reinbold, PhD, Biological Sciences |
Biology Expert
Review Board Member
Stephen Reinbold has a Ph.D. in Biological Sciences with a particular interest in teaching. He taught General Biology, Environmental Science, Zoology, Genetics, and Anatomy & Physiology for almost thirty years at Metropolitan Community College in Kansas City, Missouri. He particularly enjoyed emphasizing scientific methodology and student research projects. Now, enjoying retirement, he works part-time as an editor while also engaging in online activities.
, PhD, Biological Sciences
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Vertebrates And Invertebrates Quiz Questions And Answers - Quiz


Do you recognize the difference between vertebrates and invertebrates? Try this quiz given below and get to test your knowledge on this topic. Vertebrates are creatures that have a backbone inside their body. The major groups of vertebrates include fish, amphibians, reptiles, birds, and mammals. Invertebrates do not have a backbone. They consist of organisms such as spiders, crabs, worms, jellyfish, and more. Take this quiz and see how you perform in the quiz. All the best!


Questions and Answers
  • 1. 

    Animals with an internal skeleton made of bone are called:

    • A.

      Mammals

    • B.

      Vertebrates

    • C.

      Invertebrates

    • D.

      None

    Correct Answer
    B. Vertebrates
    Explanation
    Animals with an internal skeleton made of bone are called vertebrates. This is because vertebrates have a backbone or a spine made of individual bones called vertebrae. This group includes mammals, birds, reptiles, amphibians, and fish. In contrast, invertebrates do not have a backbone or a spine made of bone. They have either no skeleton or a skeleton made of other materials such as cartilage or exoskeletons. Therefore, the correct answer is vertebrates.

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  • 2. 

    A Hydrostatic Skeleton is

    • A.

      A charged skeleton that can conduct electricity

    • B.

      A type of exoskeleton supported by fluid pressure

    • C.

      A flexible, internal skeleton

    • D.

      None of the above

    Correct Answer
    B. A type of exoskeleton supported by fluid pressure
    Explanation
    A hydrostatic skeleton is a type of exoskeleton supported by fluid pressure. This means that the body of the organism is supported and moved by the pressure of fluid within its body. This type of skeleton is found in many invertebrates such as worms, jellyfish, and cnidarians. The fluid within their bodies provides support and allows for movement without the need for a rigid internal or external skeleton.

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  • 3. 

    Vertebrates include which of the following?

    • A.

      Annelids

    • B.

      Echinoderms

    • C.

      Fish

    • D.

      Amphibians

    • E.

      Arthropods

    • F.

      Birds

    Correct Answer(s)
    C. Fish
    D. Amphibians
    F. Birds
    Explanation
    The correct answer includes fish, amphibians, and birds. Vertebrates are a group of animals that have a backbone or spinal column. Fish, amphibians, and birds all possess a vertebral column, making them part of the vertebrate group. Annelids, echinoderms, and arthropods, on the other hand, do not have a backbone and are therefore not vertebrates.

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  • 4. 

    All mammals are warm-blooded.

    • A.

      True

    • B.

      False

    Correct Answer
    A. True
    Explanation
    This statement is true because all mammals have the ability to regulate their body temperature internally, regardless of the external temperature. This is achieved through various physiological mechanisms such as shivering or sweating. Unlike cold-blooded animals, mammals can maintain a relatively constant body temperature, which allows them to thrive in a wide range of environments.

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  • 5. 

    All mammals give birth to live young.

    • A.

      True

    • B.

      False

    Correct Answer
    B. False
    Explanation
    The statement is false because not all mammals give birth to live young. Some mammals, such as monotremes like the platypus, lay eggs instead of giving birth to live young. Therefore, the statement is incorrect.

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  • 6. 

    Monotremes are

    • A.

      Egg laying mammals

    • B.

      Animals which only give birth to one baby at a time.

    • C.

      Single celled invertebrates

    • D.

      None of the above

    Correct Answer
    A. Egg laying mammals
    Explanation
    Monotremes are a unique group of mammals that lay eggs instead of giving birth to live young. They include the platypus and echidnas. This adaptation is believed to be an ancient trait that evolved before mammals started giving birth to live young. Monotremes are the only group of mammals that still retain this characteristic. Therefore, the correct answer is "egg laying mammals."

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  • 7. 

    Of the million or more animal species in the world, more than ______ are invertebrates

    Correct Answer
    98%
    Explanation
    Of the million or more animal species in the world, more than 98% are invertebrates. This means that the vast majority of animal species do not have a backbone or spinal column. Invertebrates include a wide range of organisms such as insects, spiders, worms, mollusks, and crustaceans. These animals play crucial roles in various ecosystems and contribute to the overall biodiversity of the planet.

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  • 8. 

    Reptiles are cold-blooded, egg-laying vertebrates.

    • A.

      True

    • B.

      False

    Correct Answer
    A. True
    Explanation
    Reptiles are classified as cold-blooded animals because they are unable to regulate their body temperature internally. Instead, they rely on external heat sources to warm up or cool down. Additionally, reptiles are known for laying eggs, which distinguishes them from other vertebrates that give birth to live young. Therefore, the statement "Reptiles are cold-blooded, egg-laying vertebrates" is true.

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  • 9. 

    Which 3 creatures in the following list are Invertebrates?

    • A.

      Starfish

    • B.

      Ferrets

    • C.

      Worms

    • D.

      Mollusks

    • E.

      Platypus

    Correct Answer(s)
    A. Starfish
    C. Worms
    D. Mollusks
    Explanation
    Invertebrates are animals that do not have a backbone or vertebral column. Starfish, worms, and mollusks are all examples of invertebrates as they lack a vertebral column. Ferrets and platypus, on the other hand, are vertebrates as they possess a backbone.

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  • 10. 

    Which skeleton is not a vertebrate's?

    • A.

      Frog

    • B.

      Bird

    • C.

      Mollusk

    • D.

      Cat

    Correct Answer
    C. Mollusk
    Explanation
    The correct answer is “mollusk” because it is the only option that is not a vertebrate. A vertebrate is an animal that has a backbone or spinal column, and frogs, birds, and cats are all examples of vertebrates. Mollusks, on the other hand, belong to a different group of animals called " “Mollusca” that do not have a backbone, making them non-vertebrates.

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Stephen Reinbold |PhD, Biological Sciences |
Biology Expert
Stephen Reinbold has a Ph.D. in Biological Sciences with a particular interest in teaching. He taught General Biology, Environmental Science, Zoology, Genetics, and Anatomy & Physiology for almost thirty years at Metropolitan Community College in Kansas City, Missouri. He particularly enjoyed emphasizing scientific methodology and student research projects. Now, enjoying retirement, he works part-time as an editor while also engaging in online activities.

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  • Feb 01, 2024
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  • Apr 13, 2011
    Quiz Created by
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