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Organisms 2 (AEBI 211) > Lab 5 Prelab Quiz Questions > Flashcards

Lab 5 Prelab Quiz Questions Flashcards

1
Q
  1. TRUE or FALSE. All Chordates are vertebrates.
A

False

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2
Q
  1. Which specimens from Lab 5 are not vertebrates?
A

Tunicates (“sea squirts”)
Lancelet

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3
Q
  1. Name a specimen from Lab 5 that is jawless
A

Lampreys

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4
Q
  1. Which organism from Lab 5 is parasitic?
A

Lampreys

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5
Q
  1. What is the role of the velum?
A

A large pair of flaps that uses muscular action to create water currents over the gills. (Respiration)

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6
Q
  1. What is the function of the endostyle?
A

Secretes mucous to trap food particles. (Feeding/digestion)

Involved in feeding for tunicates and lamprey larvae; it is homologous to the thyroid gland in vertebrates.

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7
Q
  1. Which type of scales are typical of class Chondrichthyes?
A

Placoid scales

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8
Q
  1. Which term refers to the electromagnetic sensors in a shark?
A

Ampullae of Lorenzini

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9
Q
  1. What is the term for the gill cover in bony fishes?
A

Operculum

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10
Q
  1. What can be sensed by the lateral line?
A

Changes in water currents,

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11
Q
  1. What is the role of pyloric caeca?
A

Secreting digestive enzymes into the stomach.

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12
Q
  1. Which structure allows the perch to maintain neutral buoyancy?
A

Swim bladder

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13
Q
  1. How many chambers are found in the perch heart?
A

Two

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14
Q
  1. What is the term for the third transparent eyelid in a frog?
A

Nictitating membrane

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15
Q
  1. How many chambers are found in a frog heart?
A

Three

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16
Q
  1. How many chambers are found in the mammalian heart?
A

Four

17
Q
  1. Name a specimen from lab 5 that uses negative pressure breathing.
A

Fetal pig
Rat

18
Q
  1. What are the components of the axial skeleton (name three)?
A

Skull, Vertebrae, Ribs

19
Q
  1. What are the components of the appendicular skeleton (name three)?
A

Pectoral, Pelvic, Limb bones

20
Q
  1. What are scutes?
A

A large horny plate on shell in turtles

Organisms 2 (AEBI 211) (13 decks)

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