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bio ecology shark and fish unit > sharks p 8-13 > Flashcards

sharks p 8-13 Flashcards

1
Q

what is the third largest shark in the ocean

A

great white shark

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2
Q

what is the largest predatory fish in the ocean

A

great white shark

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3
Q

1 attacker of humans

A

great white shark

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4
Q

great white shark swimming av speed

A

15 mph

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5
Q

great white shark attacking speed

A

35 mph

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6
Q

fastest shark in the world and what speed

A

mako shark 45 mph

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7
Q

great whites live everywhere except

A

Antarctica

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8
Q

great white sharks are mainly located

A

south africa

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9
Q

what migration pattern do great whites follow

A

seals

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10
Q

a great white named nicole was recorded traveling how many km in one season

A

20,000 km

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11
Q

how many teeth do great white sharks have at any given time

A

300 teeth

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12
Q

great white sharks favorite prey

A

seals and sea lions

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13
Q

what is the second largest fish in the ocean

A

basking sharks

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14
Q

what shark has the largest gills

A

basking sharks

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15
Q

what shark has the largest mouth

A

basking shark

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16
Q

what shark has the largest liver

A

basking shark

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17
Q

what kind of feeder are basking sharks

A

filter feeders

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18
Q

how many teeth do basking sharks have on average

A

1200 teeth

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19
Q

are female or male great white sharks larger

A

female

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20
Q

what shark has the smallest teeth

A

basking shark

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21
Q

how much water do basking sharks filter every hour

A

6000 Liters

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22
Q

what is the basking sharks favorite prey

A

plankton

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23
Q

in basking sharks who is larger, male or females

A

males

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24
Q

how long do female basking sharks spend pregnant

A

36 months

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25
Q

how long are basking shark babies when they are born

A

6 ft

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26
Q

what sharks have the longest pectoral fins

A

blue sharks

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27
Q

most hunted sharks

A

blue sharks

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28
Q

what are blue sharks fins sold for

A

shark fin soup

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29
Q

what us the secojnd fastest shark in the world and how fast

A

blue sharks 43 mph

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30
Q

where are blue sharks found

A

Mediterranean

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31
Q

how often do blue sharks teeth get replaced

A

8-15 days

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32
Q

blue sharks favorite prey

A

cephalopods

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33
Q

blue sharks predators

A

mako sharks , great whites, and tiger sharks

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34
Q

how much thicker are female blue sharks skin and why

A

3x to withstand the bites of males

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35
Q

what shark has the fastest growth rate

A

blue sharks

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36
Q

what is another name for tiger sharks

A

leopard sharks

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37
Q

what are tiger sharks named after

A

dark vertical stripes or spots on their body

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38
Q

what shark is found in tropical waters

A

tiger shark

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39
Q

are tiger fish social and when are they seen together

A

solitary creatures only meeting up for mating

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40
Q

what shark is the number 2 attacker of humans

A

tiger shark

41
Q

what shark has a strong enough bite force to break a turtles shell

A

tiger shark

42
Q

what is the tiger sharks favorite food

A

seaturtles

43
Q

what shark was found with a crocodile head in its stomach

A

tiger shark

44
Q

how often do tiger sharks mate

A

once every three years

45
Q

what park of a tiger shark do we use and what do we use it for

A

the skin is used to make traditional hawaiian drums

46
Q

where do hammerheads get their name

A

their distinct head

47
Q

what do hammerhead eyes position allow them to have

A

360 vision

48
Q

what do hammerheads do when threatened

A

point down pectoral fins and arch their back

49
Q

what do hammerheads do when in submission

A

shaking its head from side to side

50
Q

what do hammerheads do when asserting dominance

A

corkscrew upward spinning

51
Q

what is a hammerheads favorite prey

52
Q

where do hammerheads swim during the day

A

open waters

53
Q

where do hammerheads swim at dusk

54
Q

are hammerhead males or females purely solitary

55
Q

what gender and type of shark forms shoals

A

female hammerheads - for social interaction

56
Q

why do male hammerheads swim into female shoals and what shape do they swim in

A

they swim in an s shape to signal they are ready to mate

57
Q

how do hammerheads mate

A

males curl tails around the female

58
Q

where do hammerheads give birth

A

near shores

59
Q

what are bull sharks named for

A

the way they attack prey

60
Q

what shark has the best hearing

A

bull sharks

61
Q

what is the only shark that can travel into freshwater

A

bull shark

62
Q

what shark is the number three attacker of humans

A

bull shark

63
Q

what shark is found in the chesapeake bay

A

bull shark

64
Q

what is the bull sharks favorite prey

65
Q

what do female bull sharks do to show readyness to mate

A

arc their tails up

66
Q

where do bull sharks give birth

A

freshwater systems and estuaries - they will stay there until they are adults

67
Q

how do cookie cutter sharks get their name

A

they use their teeth to cut a circular shape of flesh from their prey

68
Q

which shark has green eyes

A

cookie cutter shark

69
Q

where are cookie cutter sharks found

A

around islands like hawaii

70
Q

cookie cutter sharks have what located on their ventral side

A

bio luminescent photophores

71
Q

where do cookie cutter sharks go when they feed and what time of day

A

they migrate to the surface at night

72
Q

what kind of feeder are cookie cutter sharks

73
Q

what is the only parasitic shark

A

cookie cutter shark

74
Q

why do cookie cutter sharks swallow their teeth

A

to preserve and recycle calcium to grow more teeth

75
Q

what shark is known to attack the sonar domes of submarines and why

A

cookie cutter sharks mistake them as whales because they also use them as echolocation

76
Q

what kind of body type do skates and rays have

A

flattened bodies for their bottom dwelling lifestyle

77
Q

what are spiracles

A

openings for passage of water

78
Q

where are skates and rays gills located

A

ventral side

79
Q

what animal has pavement like teeth

A

skates and rays

80
Q

how do skates and rays swim

A

by moving their elongated pectoral fins

81
Q

do skates or rays have rounded bodies

82
Q

do skates or rays have a diamond shaped body

83
Q

what animal ripples fins iin a wavelike motion

84
Q

what kind of tails do skates have

A

small and thick lacking poisonous barbs and spines

85
Q

How do rays swim

A

Moves fins up and down

86
Q

what do rays tails look like

A

long tails some have poisonous barbs or spines e

87
Q

how do rays reproduce

A

ovoviviparous

88
Q

how do skates reproduce

89
Q

what do electric rays have in their head

A

electric organs

90
Q

why do rays offspring have sheath covered spines

A

so they dont kill the mother

91
Q

what did greeks and romans use and why

A

electric rays to cure headaches

92
Q

what are examples of chimaeras

A

ratfish rabbitfish spookfish

93
Q

what fish has large pointed heads and a beak

94
Q

what are chimaera gills protected by

95
Q

what do chimaeras use to take in water

96
Q

what species has a venomous spine

97
Q

where do males keep their secondary reproductive organ and what it called

A

on their forehead called the tentaculum

98
Q

how many volts do electric rays emit

bio ecology shark and fish unit (4 decks)

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