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

Which group of reptiles has turtles and tortoises as members?

<p>Chelonia (B)</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 (D)</p> Signup and view all the answers

What characteristic do modern reptiles and birds have in common?

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

What is the main function of feathers in birds?

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

What is a characteristic that distinguishes mammals from other animals?

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

What is a characteristic of echinoderm development?

<p>Deuterostome development (D)</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 (C)</p> Signup and view all the answers

What is the shape of the larvae of echinoderms?

<p>Bilateral (B)</p> Signup and view all the answers

Which of the following is NOT a characteristic of chordates?

<p>Pentameral symmetry (D)</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 (D)</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 (B)</p> Signup and view all the answers

What is the main characteristic of vertebrate chordates?

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

What is the function of the vertebral column in vertebrates?

<p>It protects the dorsal nerve cord (B)</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 (D)</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 (A)</p> Signup and view all the answers

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

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

What is the distinguishing characteristic of flying mammals?

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

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

<p>Prototheria (B)</p> Signup and view all the answers

What is a characteristic feature of primates?

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

What is a common feature of early Homo species?

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

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

<p>Hominins (B)</p> Signup and view all the answers

What is the primary function of hair in mammals?

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

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

<p>Hominidae (A)</p> Signup and view all the answers

What is a characteristic feature of Australopithecines?

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

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

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

What is the distinctive characteristic of the heart in mammals?

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

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

<p>Echolocation (D)</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 (D)</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 (C)</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 (B)</p> Signup and view all the answers

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

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

What is the group of mammals that lay shelled eggs?

<p>Prototheria (A)</p> Signup and view all the answers

What is the characteristic of the wing of bats?

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

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

<p>Hominidae (D)</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 (D)</p> Signup and view all the answers

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

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

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

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

Which characteristic do modern reptiles and birds have in common?

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

What is the primary function of feathers in birds?

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

What is the distinguishing characteristic of mammals?

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

Which characteristic do amphibians and reptiles have in common?

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

What is a characteristic of echinoderm larvae?

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

Which of the following features is common to all chordates?

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

What is a key difference between vertebrate and nonvertebrate chordates?

<p>Vertebrae (A)</p> Signup and view all the answers

What is a characteristic of tunicates?

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

What is a characteristic of echinoderms?

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

What is a characteristic of vertebrate chordates?

<p>Vertebrae (A)</p> Signup and view all the answers

What is the function of the vertebral column in vertebrates?

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

What is a characteristic of lancelets?

<p>Retain chordate features throughout life (C)</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 (D)</p> Signup and view all the answers

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