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Zoology > Class Amphibia > Flashcards

Class Amphibia Flashcards

1
Q

amphibia meaning

A

double life

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2
Q

why is the meaning of amphibians appropriate?

A

they go through metamorphosis

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3
Q

how many species are in class Amphibia

A

6000 species

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4
Q

3 orders in class Amphibia

A

Apoda, Caudata, Anura

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5
Q

Apoda meaning

A

no legs

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6
Q

Caudata meaning

A

with tail

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7
Q

Anura meaning

A

without tail

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8
Q

how many species are in order Apoda

A

170 species

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9
Q

how many species are in order Caudata

A

550 species

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10
Q

how many species are in order Anura

A

5,300 species

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11
Q

example of order Apoda

A

caecilians

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12
Q

examples of order Caudata

A

salamanders, newts

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13
Q

examples of order Anura

A

frogs, toads

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14
Q

Kingdom, phylum, class and order of a bull frog

A

Animalia, Chordata, Amphibia, Anura

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15
Q

characteristics of amphibians

A

vertebrates with endoskeleton; ectothermic; go through metamorphosis; most have smooth/moist skin; breathe with gills as larvae and lungs; skin, and lining of mouth as adults; eggs without shells; external fertilization

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16
Q

how do frogs breathe as larvae

A

gills

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17
Q

how do frogs breathe as adults

A

lungs, skin, and lining of mouth

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18
Q

cutaneous respiration

A

breathing through skin

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19
Q

buccal respiration

A

breathing through lining of mouth

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20
Q

what’s the purpose of mucus on a frog’s skin

A

it keeps them moist which aids in breathing

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21
Q

are frogs warm or cold blooded? give the scientific answer

A

ectothermic (cold blooded)

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22
Q

are tadpoles more like fish or frogs?

A

fish, they breathe with gills and use a tail to aid in swimming

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23
Q

how many chambers does an adult amphibian heart have?

A

3

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24
Q

describe the blood circulation of a frog

A

O2 poor blood collects in right atrium while O2 rich blood collects in left atrium; both atria empty into ventricle; ventricle pumps O2 rich blood to body and O2 poor blood to lungs, spiral valve helps keep blood separate when ventral connects

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25
Q

what kind of circulation do frongs have?

A

closed, double loop circulation

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26
Q

what does closed, double loop circulation mean?

A

blood is contained within the blood vessels and enters the heart twice

27
Q

frog land adaptations

A

powerful hind legs for swimming; toes on front feet; adults breathe through lungs, skin, and lining of mouth; eyes covered by nictitating membrane; body supported by endoskeleton; 3 chambered heart

28
Q

frog water adaptations

A

powerful hind legs for swimming, webbed hind feet; tadpoles breathe with gills; skin used for breathing during hibernation; eyes covered by nictitating membrane; bulging eye; dark dorsal and light ventral

29
Q

1st step of frog metamorphosis

A

frog mass laid in water before fertilized

30
Q

2nd step of frog metamorphosis

A

eggs have no shell, protected and nourished by jellylike layer

31
Q

3rd step of frog metamorphosis

A

hatches after 10-20 days (hatching)

32
Q

4th step of frog metamorphosis

A

tadpole breathes with gills, has 2 chambered heart

33
Q

5th stage of frog metamorphosis

A

develops digestive tract and eat algae

34
Q

6th stage of frog metamorphosis

A

hind legs with webbed feet appear

35
Q

7th stage of frog metamorphosis

A

continue to grow, tail goes back into body

36
Q

8th stage of frog metamorphosis

A

front legs with toes develop, septum in heart separates atrium into 2; saclike structures in through become lungs as gills stop working

37
Q

9th stage of frog metamorphosis

A

tadpole frog

38
Q

10th stage of frog metamorphosis

A

young frog

39
Q

11th stage of frog metamorphosis

A

adult frog

40
Q

what color is the dorsal side of a frog? why?

A

darker, camo

41
Q

what color is the ventral side of a frog? why?

A

lighter, camo

42
Q

what do adult frogs eat?

A

insects, spiders, worms, slugs, snails

43
Q

what do tadpoles eat?

A

larvae

44
Q

what is the eyelid of a frog called?

A

nictitating membrane

45
Q

nictitating membrane function

A

used as eye protection when swimming

46
Q

where is the frogs tongue located?

A

front of mouth

47
Q

esophagus function

A

carries food from mouth to stomach

48
Q

stomach function

A

digestion begins

49
Q

pancreas function

A

secretes digestive enzymes into stomach and small intestine to break down food

50
Q

kidneys function

A

filter cell waste from blood and create urine

51
Q

ureter function

A

tube carries urine from kidneys to urinary bladder

52
Q

urinary bladder function

A

stores urine until released through cloaca

53
Q

aorta function

A

carries O2 rich blood from heart toward body

54
Q

lungs function

A

take in O2 and release Co2

55
Q

3 chambered heart function

A

2 atria collects blood, ventricle pumps blood

56
Q

liver function

A

aids in digestion

57
Q

gall bladder function

A

creates bile to aid in digestion

58
Q

spleen function

A

filter germs from blood

59
Q

blood vessels fuction

A

carry blood away from heart

60
Q

small intestine function

A

digestion continues

61
Q

large intestine function

A

final stages stages of digestion, creates solid waste

62
Q

fat bodies function

A

nourish developing egg/sperm

63
Q

ovary/testes

A

produce gametes

Zoology (6 decks)

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