Animal Body Plans and Symmetry Quiz
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Questions and Answers

What defines vertebrates?

  • Immobililty
  • Capability of regeneration
  • Presence of a backbone (correct)
  • Exoskeleton

    • Which phylum includes animals capable of ejecting long, highly-branched extensions from their head?

  • Phylum Gastroticha
  • Phylum Nemertea (correct)
  • Phylum Mollusca
  • Phylum Porifera

    • What characteristic is unique to Phylum Tardigrada?

  • Have fins for movement
  • Marine habitat
  • Segmented body
  • Microscopic size (correct)

    • Which phylum is known for having a stalk-like anchor and a ring of cilia around their "mouths"?

    <p>Phylum Brachiopoda</p> Signup and view all the answers

    What is the defining feature of marine invertebrates?

    <p>Lack of a backbone</p> Signup and view all the answers

    What is the unique digestive feature shared by most cnidarians?

    <p>Digestive chambers</p> Signup and view all the answers

    How do sponges reproduce through regeneration?

    <p>By releasing part of themselves to create a new animal</p> Signup and view all the answers

    Which type of worms have a segmented body with organ structures in each segment?

    <p>Segmented worms</p> Signup and view all the answers

    What distinguishes bivalves among mollusks?

    <p>Having two hinged shells</p> Signup and view all the answers

    Which class of echinoderms includes sea cucumbers?

    <p>Holothuroidea</p> Signup and view all the answers

    What is the primary use of animal body plans?

    <p>To classify and differentiate animals in evolutionary and developmental biology</p> Signup and view all the answers

    Which type of symmetry is found in mammals, including humans?

    <p>Bilateral symmetry</p> Signup and view all the answers

    What is the term for the absence of any specific type of symmetry in animals?

    <p>Asymmetry</p> Signup and view all the answers

    What is a coelom in the context of animal body plans?

    <p>A true body cavity</p> Signup and view all the answers

    What are animals with true tissues called?

    <p>Eumetazoans</p> Signup and view all the answers

    Which group of invertebrates is characterized by a segmented body and an exoskeleton made of chitin?

    <p>Arthropods</p> Signup and view all the answers

    What is the process called when male and female gametes combine to form a zygote?

    <p>Fertilization</p> Signup and view all the answers

    What is the function of the biological clock in mammals?

    <p>Calibrating daily 24-hour cycles</p> Signup and view all the answers

    What is the main function of an exoskeleton in arthropods?

    <p>Support and protection</p> Signup and view all the answers

    Which of the following is NOT a body axis established after fertilization in multicellular animals?

    <p>Superior-inferior axis</p> Signup and view all the answers

    Which layer is the outermost layer of cells in the early embryo?

    <p>Ectoderm</p> Signup and view all the answers

    What is the primary function of the testicles in the male reproductive system?

    <p>Producing sperm</p> Signup and view all the answers

    Which structure in the female reproductive system is responsible for gamete production?

    <p>Ovaries</p> Signup and view all the answers

    What is the function of the cremasteric reflex in the male reproductive system?

    <p>Regulating body temperature</p> Signup and view all the answers

    Which circuit in the circulatory system transports deoxygenated blood from the heart to the lungs?

    <p>Pulmonary circuit</p> Signup and view all the answers

    What are some common health conditions that can impact the circulatory system?

    <p>Atherosclerosis, High Blood Pressure, Arrhythmias, Angina, Blood Clots</p> Signup and view all the answers

    What is the main function of the heart in the circulatory system?

    <p>To pump deoxygenated blood to the lungs and oxygenated blood out to the body</p> Signup and view all the answers

    What is coronary heart disease?

    <p>A condition where plaque builds up in the arteries of the heart</p> Signup and view all the answers

    What is the role of the lymphatic system in relation to the circulatory system?

    <p>It acts as a drainage system for the interstitial fluid</p> Signup and view all the answers

    What happens when the left side of the heart does not pump blood out of the heart efficiently?

    <p>Blood will back up in the lungs, making it difficult for the person to breathe</p> Signup and view all the answers

    What is the primary function of red blood cells?

    <p>To carry oxygen from the lungs throughout the body</p> Signup and view all the answers

    What is the role of the lymph nodes in the lymphatic system?

    <p>To filter out harmful microbes such as bacteria and viruses</p> Signup and view all the answers

    What is the blood type that can donate blood to anyone?

    <p>Type O</p> Signup and view all the answers

    What is the term used to describe a lower than normal number of red blood cells?

    <p>Anemia</p> Signup and view all the answers

    What is the role of the lymphatic capillaries in the lymphatic system?

    <p>To gather fluid in the tissue spaces and deliver it to the lymphatic vessels</p> Signup and view all the answers

    What is the phenomenon called when red blood cells clump together during a blood transfusion?

    <p>Agglutination</p> Signup and view all the answers

    What is the role of lacteals in the lymphatic system?

    <p>To transport lymph from the small intestines</p> Signup and view all the answers

    What is the term for the fluid trapped in the tissues of the body when it is not returned to the blood?

    <p>Edema</p> Signup and view all the answers

    What is the role of the ABO blood group system?

    <p>To classify blood based on the presence or absence of A and B antigens on red blood cells</p> Signup and view all the answers

    What is the role of the spleen in the lymphatic system?

    <p>To destroy mature red blood cells</p> Signup and view all the answers

    What is the main component of the exoskeleton of arthropods that provides flexibility and sturdiness?

    <p>Chitin</p> Signup and view all the answers

    In sexual reproduction, what is the female gamete called?

    <p>Egg</p> Signup and view all the answers

    Which phylum includes animals such as crabs, lobsters, and shrimps?

    <p>Arthropods</p> Signup and view all the answers

    Where is the biological clock found in mammals?

    <p>Brain (Hypothalamus)</p> Signup and view all the answers

    For effective communication, which type of signal would be less useful at night?

    <p>Visual signal</p> Signup and view all the answers

    Which type of body symmetry is found in mammals, including humans?

    <p>Bilateral symmetry</p> Signup and view all the answers

    What is the term for animals with true tissues in the context of animal body plans?

    <p>Eumetazoans</p> Signup and view all the answers

    What is the primary function of a coelom in the context of animal body plans?

    <p>To provide a true body cavity</p> Signup and view all the answers

    Which of the following is NOT a location used to describe the position of structures in animals?

    <p>Lateral</p> Signup and view all the answers

    What is the term for the absence of any specific type of symmetry in animals?

    <p>Asymmetry</p> Signup and view all the answers

    What is the unique digestive feature shared by most cnidarians?

    <p>Digestive chambers</p> Signup and view all the answers

    Which class of echinoderms includes sea cucumbers?

    <p>Holothuroidea</p> Signup and view all the answers

    Which type of worms have a segmented body with organ structures in each segment?

    <p>Segmented worms</p> Signup and view all the answers

    Which of the following is NOT a class of mollusks?

    <p>Arthropoda</p> Signup and view all the answers

    What is the main function of the heart in the circulatory system?

    <p>To pump blood</p> Signup and view all the answers

    Which organ in the female reproductive system receives the ovulated egg upon ovulation?

    <p>Fallopian tubes</p> Signup and view all the answers

    Which primary germ layer in the early embryo is innermost?

    <p>Endoderm</p> Signup and view all the answers

    What is the main function of the cremasteric reflex in the male reproductive system?

    <p>Regulate temperature by contracting the testicles</p> Signup and view all the answers

    Which circuit in the circulatory system transports oxygenated blood from the heart to different parts of the body?

    <p>Systemic circuit</p> Signup and view all the answers

    Which organ in the female reproductive system regulates sperm entry into the uterus?

    <p>Cervix</p> Signup and view all the answers

    Which phylum is known for having animals with specialized stinging cells?

    <p>Phylum Coelenterata</p> Signup and view all the answers

    Which phylum includes animals with a soft visceral mass often surrounded by a hard protective shell?

    <p>Phylum Mollusca</p> Signup and view all the answers

    Which phylum is characterized by animals that have a hard exoskeleton, segmented body, and jointed appendages?

    <p>Phylum Arthropoda</p> Signup and view all the answers

    Which phylum includes animals that are sessile (immobile) filter feeders?

    <p>Phylum Porifera</p> Signup and view all the answers

    Which phylum includes animals that have a unique shape, with a small, pointy head and big rear?

    <p>Phylum Sipunculoidea</p> Signup and view all the answers

    What is the primary function of the lymphatic system in relation to the circulatory system?

    <p>Acting as a drainage system for interstitial fluid</p> Signup and view all the answers

    What happens when the left side of the heart does not pump blood out of the heart efficiently?

    <p>Blood will back up in the lungs, making it difficult for the person to breathe</p> Signup and view all the answers

    What is the role of the lymphatic capillaries in the lymphatic system?

    <p>Producing lymph from interstitial fluid</p> Signup and view all the answers

    What is coronary heart disease?

    <p>The buildup of plaque in the coronary arteries</p> Signup and view all the answers

    What is the primary function of red blood cells in the body?

    <p>Transporting oxygen to body tissues</p> Signup and view all the answers

    What is the primary function of hemoglobin in red blood cells?

    <p>To bind to oxygen</p> Signup and view all the answers

    Which blood type can receive a blood transfusion from any other type?

    <p>Type AB</p> Signup and view all the answers

    What is the term for the clumping together of red blood cells during a blood transfusion?

    <p>Agglutination</p> Signup and view all the answers

    Which organ of the lymphatic system filters out harmful microbes such as bacteria and viruses?

    <p>Lymph nodes</p> Signup and view all the answers

    What is the term used to describe the fluid trapped in the tissues of the body when it is not returned to the blood?

    <p>Edema</p> Signup and view all the answers

    Which of the following is NOT a function of the lymphatic system?

    <p>Transporting deoxygenated blood</p> Signup and view all the answers

    Which of the following is NOT a type of red blood cell antigen?

    <p>O antigen</p> Signup and view all the answers

    What is the main function of the heart in the circulatory system?

    <p>To pump blood throughout the body</p> Signup and view all the answers

    Which of the following is the outermost layer of cells in the early embryo?

    <p>Ectoderm</p> Signup and view all the answers

    Which of the following is NOT a body axis established after fertilization in multicellular animals?

    <p>Superior-Inferior</p> Signup and view all the answers

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