Biology Chapter 34: Characteristics of Echinoderms
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Questions and Answers

What is a characteristic of cartilaginous fishes?

  • A vertebral column of bone
  • A skeletal system made of calcium
  • A close circulatory system
  • Paired appendages (correct)

    • What is the main function of the lateral line system in sharks and bony fishes?

  • To produce sound waves
  • To detect changes in pressure waves (correct)
  • To detect changes in water chemistry
  • To regulate body temperature

    • Which group of fishes has fins stiffened with bony parallel rays?

  • Lobe-finned fishes
  • Jawless fishes
  • Cartilaginous fishes
  • Ray-finned fishes (correct)

    • What is a characteristic that distinguishes amphibians from other animals?

    <p>Cutaneous respiration</p> Signup and view all the answers

    Which group of reptiles has turtles and tortoises as members?

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

    What is the main function of the amnion in the amniotic egg?

    <p>To encase the embryo in a fluid-filled cavity</p> Signup and view all the answers

    What characteristic do modern reptiles and birds have in common?

    <p>Internal fertilization</p> Signup and view all the answers

    What is the main function of feathers in birds?

    <p>To provide lift in gliding or flight</p> Signup and view all the answers

    What is a characteristic that distinguishes mammals from other animals?

    <p>Hair and mammary glands</p> Signup and view all the answers

    What is the main function of the placenta in placental mammals?

    <p>To nourish the embryo in the uterus</p> Signup and view all the answers

    What is a characteristic of echinoderm development?

    <p>Deuterostome development</p> Signup and view all the answers

    What is the function of the water-vascular system in echinoderms?

    <p>Aids in movement, feeding, circulation, respiration, and excretion</p> Signup and view all the answers

    What is the shape of the larvae of echinoderms?

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

    Which of the following is NOT a characteristic of chordates?

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

    What is the main difference between tunicates and lancelets?

    <p>Tunicates have a sessile and bag-like adult form, while lancelets have a distinct head</p> Signup and view all the answers

    What is the significance of the evolution of a hinged jaw in fish?

    <p>It was a major advance in the evolution of vertebrates</p> Signup and view all the answers

    What is the main characteristic of vertebrate chordates?

    <p>The presence of vertebrae and a distinct head</p> Signup and view all the answers

    What is the function of the vertebral column in vertebrates?

    <p>It protects the dorsal nerve cord</p> Signup and view all the answers

    What is the main difference between vertebrates and nonvertebrate chordates?

    <p>The presence of vertebrae and a distinct head</p> Signup and view all the answers

    What is the result of the changes that allowed fish to move into the terrestrial environment?

    <p>The evolution of amphibians, reptiles, birds, and mammals</p> Signup and view all the answers

    What is the primary function of mammary glands in female mammals?

    <p>Secretion of milk for nourishment</p> Signup and view all the answers

    What is the distinguishing characteristic of flying mammals?

    <p>Possession of a leathery skin and muscle membrane</p> Signup and view all the answers

    What is the primary function of the placenta in most mammals?

    <p>Bringinging fetal and maternal blood into close contact</p> Signup and view all the answers

    Which group of mammals is characterized by the laying of shelled eggs?

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

    What is a characteristic feature of primates?

    <p>Grasping fingers and binocular vision</p> Signup and view all the answers

    What is a common feature of early Homo species?

    <p>Larger body and brain size</p> Signup and view all the answers

    What is the term for species more closely related to humans than to chimpanzees?

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

    What is the primary function of hair in mammals?

    <p>Insulation, camouflage, and sensory structure</p> Signup and view all the answers

    What is the genus to which humans, chimpanzees, gorillas, and orangutans belong?

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

    What is a characteristic feature of Australopithecines?

    <p>Upright posture and bipedal locomotion</p> Signup and view all the answers

    What is the primary function of mammary glands in female mammals?

    <p>Secretion of milk for nourishment</p> Signup and view all the answers

    What is the distinctive characteristic of the heart in mammals?

    <p>4-chambered heart</p> Signup and view all the answers

    What is the unique adaptation of bats that enables them to navigate in the dark?

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

    What is the term for the group of species that are more closely related to humans than to chimpanzees?

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

    What is the characteristic of human species that sets them apart from other animals?

    <p>Conceptual thought and symbolic language</p> Signup and view all the answers

    What is the primary function of the placenta in placental mammals?

    <p>Bringinging fetal and maternal blood into close contact</p> Signup and view all the answers

    What is the characteristic of primates that enables them to grasp and climb?

    <p>Grasping fingers</p> Signup and view all the answers

    What is the group of mammals that lay shelled eggs?

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

    What is the characteristic of the wing of bats?

    <p>A leathery skin and muscle membrane</p> Signup and view all the answers

    What is the genus that includes humans, chimpanzees, gorillas, and orangutans?

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

    What is the primary function of the lateral line system in sharks and bony fishes?

    <p>To detect changes in pressure waves</p> Signup and view all the answers

    Which group of fishes is characterized by having a vertebral column made of cartilage?

    <p>Cartilaginous fishes</p> Signup and view all the answers

    What is the primary function of the chorion in the amniotic egg?

    <p>To allow gas exchange</p> Signup and view all the answers

    Which characteristic do modern reptiles and birds have in common?

    <p>Ectothermic regulation of body temperature</p> Signup and view all the answers

    What is the primary function of feathers in birds?

    <p>To provide lift and conserve heat</p> Signup and view all the answers

    What is the distinguishing characteristic of mammals?

    <p>The presence of hair and mammary glands</p> Signup and view all the answers

    Which group of mammals is characterized by the production of a placenta in the uterus?

    <p>Placental mammals</p> Signup and view all the answers

    What is the primary function of the yolk sac in the amniotic egg?

    <p>To provide food to the embryo</p> Signup and view all the answers

    Which characteristic do amphibians and reptiles have in common?

    <p>The presence of a vertebral column</p> Signup and view all the answers

    What is the primary function of the allantois in the amniotic egg?

    <p>To contain excreted wastes from the embryo</p> Signup and view all the answers

    What is a characteristic of echinoderm larvae?

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

    Which of the following features is common to all chordates?

    <p>Pharyngeal slits or pouches</p> Signup and view all the answers

    What is a key difference between vertebrate and nonvertebrate chordates?

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

    What is a characteristic of tunicates?

    <p>Have a swimming larval form</p> Signup and view all the answers

    What is a significant change that allowed fish to move into the terrestrial environment?

    <p>Evolution of a hinged jaw</p> Signup and view all the answers

    What is a characteristic of echinoderms?

    <p>All of the above</p> Signup and view all the answers

    What is a characteristic of vertebrate chordates?

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

    What is the function of the vertebral column in vertebrates?

    <p>Protection of the dorsal nerve cord</p> Signup and view all the answers

    What is a characteristic of lancelets?

    <p>Retain chordate features throughout life</p> Signup and view all the answers

    What is a characteristic of sea stars, sea lilies, urchins, sand dollars, sea cucumbers, and brittle stars?

    <p>All of the above</p> Signup and view all the answers

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