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Adrian Mock Exam > Amphibians > Flashcards

Amphibians Flashcards

1
Q

Represent the transitional stage of vertebrates

A

Amphibians

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2
Q

Recent fossils find show __________ with tetrapod legs to be fully aquatic which suggest that leg
developed while the animal remained a fully underwater animal.

A

Acanthostega

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3
Q

Sister group of tetrapods

A

Lobe-finned

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4
Q

Period wherein climate was uniformly warm and wet which give rise to early amphibians

A

Carboniferous Period

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5
Q

Give the 3 adaptations of amphibians during Carboniferous

A

BED

  1. Bodies became flatter for moving in water.
  2. Developed webbing on hindlimbs for better swimming.
  3. Early salamanders developed weaker legs and the tail became better developed
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6
Q

The _________ and the ear are redesigned to improve sensitivity to airborne sound

A

Olfactory Epithelium

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7
Q

Larvae of amphibians depends on _______ for respiration

A

Gills

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8
Q

Body temperature depends on the environment and restricts range

A

Ectothermic

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9
Q
  1. Frog capable for Gastric Brooding
A

Darwinian Frog

(hindi barwinian) search mo

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10
Q

They are the Caecilians (Apoda)

A

Order Gymnophiona

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11
Q

They are the salamanders (Urodela)

A

Order Caudata

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12
Q

About 160 living species of elongate limbless, burrowing and live in tropical forests in South
America, Africa, and Southeast Asia.

A

Caecillians

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13
Q
  1. Found mostly in northern Temperate Regions and mostly are small while the forelimbs and
    hindlimbs are about equal in length
A

Salamanders

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14
Q

Food of salamanders are rich in

A

Protein

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15
Q

T or F.

Salamanders store much fat or glycogen

A

False

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16
Q

Most salamanders fertilize eggs internally, female picks up a _________ that has been deposited on
a leaf or stick

A

Spermatophore

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17
Q

Salamanders have _______ in their skin that exchange both oxygen and carbon dioxide

A

Extensive Vascular Net

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18
Q

Preservation of pre-adult features into adulthood

A

Paedomorphosis

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19
Q
  1. Non-metamorphic species that retain gills are ________
A

perrenibranchiates

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20
Q

_________ like the mudpuppy have never been observed to metamorphose

A

Obligate perrennibranchiate

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21
Q
  1. In Mexico and U.S , __________ may stay in a gilled stage as an axolotl
A

Ambystoma tigrinum

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22
Q

Common mudpuppy

A

Necturus maculosus

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23
Q

Axolotls treated with _________ will metamorphose artificially

A

Thyroid hormone

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24
Q

________ appears to be the controlling factor in natural populations

A

Pituitary Gland

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25
Q

They are the Frogs and Toads

A

Order Anura

26
Q

Contains toads with thicker skin and prominent warts

A

Family Bufonidae

27
Q

Common larger frogs in North America

A

Family Ranidae

28
Q

Frogs and Toads known from ________

A

Jurassic Period

29
Q

Eggs hatch into _______ with a long, finned tail, no legs, internal and external gills and specialized
mouthparts

A

tadpole

30
Q
  1. Includes the tree frogs
A

Family Hylidae

31
Q
  1. Specialized pigment cells
A

Chromatophore

32
Q

Located at Uppermost with yellow, orange or red pigments

A

Xantophore

33
Q
  1. At middle layer with silvery light-reflecting that acts as mirror
A

Iridophore

34
Q
  1. Containing black or brow melanin
A

Melanophore

35
Q
  1. Give 3 reasons why Anurans population is currently decreasing
A
  1. Agricultural Walt
  2. Climate Change
  3. Predation of Bufo marinus
36
Q

Frogs use this in hibernation for energy

A

Fats

37
Q
  1. Type of integumentary glands that secretes mucous
A

Mucous Gland

38
Q
  1. Also a type of integumentary glands which produce a whitish, watery poison
A

Serous Gland

39
Q

This type of frog in South America secrete highly toxic skin poisons

A

Dendrobatid Frogs

40
Q
  1. Give the 3 Respiratory Exchange for Amphibians
A
  1. Cutaneous Breathing
  2. Buccal Breathing
  3. Lungs
41
Q
  1. Air contains about _____ times more oxygen than water
A

20

42
Q
  1. A tendon found in ankle
A

Achilles Tendon

43
Q
  1. How may chambers does the frog’s heart have
A

3

44
Q
  1. Blood from the body enters through the _________ and _________
A

Sinus Venosus and Right Atrium

45
Q
  1. Blood from the lungs enters the ______
A

Left Atrium

46
Q
  1. Deoxygenated blood goes primarily in the _______
A

Lungs

47
Q
  1. Oxygenated blood goes primarily in the _______
A

Body

48
Q
  1. Blood separation is aided by the _________ which divides the systemic and pulmonary flows in the
    _________.
A

Spiral Valve
Conus Arteriosus

49
Q
  1. The free end of the tongue is ________ a sticky secretion adheres prey
A

Glandular

50
Q
  1. Give the 3 parts of the brain
A

forebrain (telencephalon)
- smelling

midbrain (melencephalon)
- vision

hindbrain (rhombencephalon)
- hearing and balance

51
Q
  1. Perceives hearing and balance
A

Hindbrain (Rhombencephalon)

52
Q
  1. Perceives vision
A

Midbrain (Mesencephalon)

53
Q
  1. Interprets sense of smell
A

Forebrain (Telencephalon)

54
Q

The hindbrain is divided into an _______ and ______

A

Cerebellum
Medulla

55
Q
  1. It is the enlarged anterior end of the spinal cord and center for auditory, reflexes, respiration,
    swallowing and vasomotor control
A

Medulla

56
Q
  1. Passes vibrations to the inner ear
A

Tympanic Membrane

57
Q
  1. Found in eyelids in Anurans for protection
A

Nictitating Membrane

58
Q
  1. Evolved to keep the eye moist, free of dust and protected
A

Lacrimal gland (eyelids)

di ko sure di ko ma basa

59
Q
  1. What is the difference between fish and frogs eye
A

Fish eyes - far
Frogs eyes - near

60
Q
  1. When the eggs are mature, females enter the water and the males clasp them in ______
A

Amplexus

Adrian Mock Exam (6 decks)

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