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Marine Studies > Fish & Octopus quiz > Flashcards

Fish & Octopus quiz Flashcards

1
Q

What are the skeleton characteristics of Osteichythes?

A
  • Bony skeleton
  • GIll cover/operculum
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2
Q

Which class has this as a skeleton?
- Cartilage
- 5-7 gill slits

A

Chondrichthyes

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3
Q

Which class has Electro reception as a sense?

A

Chondrichthyes

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4
Q

Which class has the Lateral line as a sense?

A

Osteichthyes

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5
Q

What characteristics do Agnatha have when swimming?

A
  • No fins
  • No buoyancy control
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6
Q

What skin characteristics do Agnatha have?

A
  • No scales
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7
Q

What class has this as a skeleton?
- Catrilage
- No jaws
- 7 gill holes/openings

A

Agnatha

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8
Q

What are the skeleton characteristics of Chondrichthyes?

A
  • Cartilage
  • 5-7 gill slits
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9
Q

What skin characteristics do osteichthyes have?

A
  • Scales
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10
Q

What characteristics do Osteichthyes have when swimming?

A
  • Swim bladder for buoyancy control
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11
Q

Which class has this as a skeleton?
- Bony skeleton
- GIll cover/operculum

A

Osteichthyes

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12
Q

How do Chondrichthyes reproduce?

A
  • Internal fertilization
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13
Q

How do Osteichthyes reproduce?

A
  • External fertilization
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14
Q

How do fish excrete waste?

A

Ammonia gas through gills

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15
Q

How do Agnatha reproduce?

A
  • Large gonads
  • External fertilization
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16
Q

What characteristics do Chondrichthyes have when swimming?

A
  • Liver full of oil for buoyancy
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17
Q

Examples of Osteichthyes:

A
  • Seahorse
  • Flounder
  • Ocean sunfish
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18
Q

What are the skeleton characteristics of Agnatha?

A
  • Catrilage
  • No jaws
  • 7 gill holes/openings
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19
Q

What class are Hagfish and Lamprey in?

A

Agnatha

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20
Q

What are like a fish’s skin and used for protection?

A

Scales

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21
Q

What is an adaptation?

A

A heritable change that helps an organism survive

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22
Q

Major characteristics all fish have

A
  • Vertebrate
  • Cold blooded
  • Aquatic
  • Breath using gills
  • Have scales and fins
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23
Q

What is a vertebrate?

A

Animals with a backbone

24
Q

Chest fin; used for balance and movement

A

Pectoral fin

25
Q

What is an Osteichthyes?

A

Fish with a bony skeleton

26
Q

How do squid protect themselves?

A

Ink sac

27
Q

What class are Seahorse, Flounder, and Ocean sunfish in?

A

Osteichthyes

28
Q

What is a lateral line?

A

Helps the fish hear and feel vibrations in the water

29
Q

What is Agnatha?

A

A jawless fish

30
Q

What is a Chondrichthyes?

A

Fish with a skeleton made of cartilage

31
Q

What is buoyancy

A

Tendency of an object to float in the water

32
Q

What is a gonad?

A

Primary reproductive organs

33
Q

What is an operculum?

A

Bony flap that covers the gills

34
Q

Examples of Chondrichthyes:

A
  • Sharks
  • Rays
  • Skates
35
Q

How do squid breathe?

A

Through the mantle

36
Q

How do fish protect themselves?

A
  • Scales
  • Dorsal fin
  • Camouflage
37
Q

What class are Sharks, Rays, and Skates in?

A

Chondrichthyes

38
Q

What skin characteristics do chondrichthyes have?

A
  • Denticles/spiky toothlike bumps
39
Q

How do squid reproduce?

A

Lay eggs

40
Q

Belly fin; used for balance and movement

A

Ventral fin

41
Q

What is otolith?

A

Calcium carbonate found inside the heads of most fish. Aids in balance and hearing

42
Q

How do squids eat?

A

Through adhesive discs/suckers

43
Q

How do fish breathe?

A

Through gills

44
Q

How do fish eat?

A

With teeth

45
Q

Tail fin; used to move the fish

A

Caudal fin

46
Q

How do squid excrete waste?

A

Through anus to water jet

47
Q

Examples of Agnatha:

A
  • Hagfish
  • Lamprey
48
Q

What are spiracles?

A

Openings that take in water and filter the gills

49
Q

What does a fish’s lateral line do?

A

Help the fish hear vibrations in the water

50
Q

How do fish reproduce?

A

Lay eggs

51
Q

What are like a fish’s nostrils and used for smelling?

A

Nares

52
Q

Top fin; used for balance, movement, and protection

A

Dorsal fins

53
Q

What kingdom do all fish belong to?

A

Animalia

54
Q

What phylum do all fish belong to?

A

Chordata

55
Q

How to determine if a fish is a genus or species

A

genus = name is capitalized and a species is not capitalized

56
Q

What class of fish have spiracles?

A

Chondrichthyes

Marine Studies (5 decks)

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