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6a And 6B > FISHES > Flashcards

FISHES Flashcards

1
Q

Fishes do not form a ______ ________

A

Monophyletic group

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2
Q

Detects water currents and vibrations

A

Lateral line

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3
Q

Refers to one or more Individuals of one specie

A

Fish

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4
Q

Refers to more than one species

A

Fishes

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5
Q

Lacks vertebrae

A

Hagfishes

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6
Q

Contains rudimentary vertebrae

A

Lampreys

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7
Q

Devonian is called

A

Age of Fishes

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8
Q

Became extinct in the carboniferous and left no direct descendants

A

Placoderms

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9
Q

These fishes lost heavy dermal armor and adopted cartilage as the skeleton

A

Cartilaginous fishes

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10
Q

Represented in the Devonian perion but became extinct in the lower Permian

A

Acanthodians

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11
Q

Acanthodians have heavy spines but lack a

A

Caudal fin

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12
Q

Sister group of bony fishes

A

Acanthodians

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13
Q

Dominant fishes today

A

Bony fishes

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14
Q

Represents jawless fishes

A

HAGFISHES and Lampreys

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15
Q

Hapless fish lack

A
  1. Jaws
  2. Internal ossification
  3. Scales or paired fins
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16
Q

Much closer to gnathosomes

A

Lampreys

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17
Q

Hagfishes produce _____ eggs

A

Yolky

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18
Q

Class of Hagfishes

A

Class Myxini

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19
Q

Class of Lampreys

A

Class Cephalaspidomorphi

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20
Q

All lampreys breed in

A

Freshwater

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21
Q

Marine forms of Lampreys are called

A

Anadromous

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22
Q

Lamprey males build nest using

A

Oral disc

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23
Q

Larva of lampreys

A

Ammocoetes

24
Q

Class of Cartilaginous Fishes

A

Class Chrondrichthyes

25
Q

True bone is absent in which class?

A

Chondrichthyes

26
Q

28 species in chrondrichthyes are

A

Freshwater

27
Q

Subclass Elasmobranchii includes

A

Sharks, Skates, Rays

28
Q

This order contains tiger sharks, bull and hammerhead sharks

A

ORDER Carcharhiniformes

29
Q

Order contains mako sharks

A

Order Lamniformes

30
Q

Order contains dogfish sharks

A

Order Squaliformes

31
Q

Order includes skates stingrays rays

A

Order Rajiformes

32
Q

Body of sharks are streamlined which is the term for

A

Fusiform

33
Q

Front of the ventral mouth in sharks I the

A

Rostrum

34
Q

Tail pattern of sharks

A

Heterocercal

35
Q

Lateral line consists of

A

Neuromasts

36
Q

Electroreceptors or _________ are located on shark’s head

A

ampullae of Lorenzini

37
Q

Retain nitrogenous compounds in the blood to raise blood solute

A

Elasmobranchs

38
Q

Capsule of oviparous sharks

A

Mermaid’s purse

39
Q

Subclass Holocephali includes

A

Chimeras

40
Q

Chimeras have a fused

A

Upper jaw and cranium

41
Q

Bony fishes Class

A

Class Osteichthyes

42
Q

Ray-finned fishes

A

Class Actinopterygii

43
Q

Lobe-finned fishes

A

Class Sarcopterygii

44
Q

Increases respiratory efficiency

A

Operculum

45
Q

Low oxygen water

A

Hypoxic waters

46
Q

Allows greater Speen and buoyancy

A

Homocercal tail

47
Q

Symmetrical tail with Continuous fins is known as

A

Diphycercal

48
Q

Arose in devonian, declined in Mesozoic

A

Coelocanths

49
Q

Fatty hydrocarbon

A

Squaline

50
Q

Flotation device

A

Swim bladder

51
Q

Plate-like filaments with thin epidermal membranes

A

Lamellae

52
Q

Active fishes use what kind of respiration

A

Ram ventilation

53
Q

Freshwater fishes are

A

Hyperosmotic regulators

54
Q

Pumps excess water out

A

Opisthonephric kidney

55
Q

Fishes that live in estuaries

A

Euryhaline fishes

6a And 6B (2 decks)

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