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FISH

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fish holt ch. 30 pg. 726-738 – PowerPoint PPT presentation

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Title: FISH


1
FISH
  • HOLT CH. 30
  • PG. 726-738

2
CHARACTERISTICS OF FISH
  • ENDOSKELETON

3
CHARACTERISTICS OF FISH
  • ENDOSKELETON
  • GILLS

4
CHARACTERISTICS OF FISH
  • ENDOSKELETON
  • GILLS
  • CLOSED-LOOP CIRCULATORY SYSTEM

5
CHARACTERISTICS OF FISH
  • ENDOSKELETON
  • GILLS
  • CLOSED-LOOP CIRCULATORY SYSTEM
  • KIDNEYS

6
MOVEMENT/RESPONSE
  • ENDOSKELETON-internal skeleton-muscles attach

7
MOVEMENT/RESPONSE
  • ENDOSKELETON-internal skeleton-muscles attach
  • FINS AND SWIM BLADDER

8
MOVEMENT/RESPONSE
  • ENDOSKELETON-internal skeleton-muscles attach
  • FINS AND SWIM BLADDER
  • Fins increase stability (turn, dive, climb
    rapidly)

9
MOVEMENT/RESPONSE
  • ENDOSKELETON-internal skeleton-muscles attach
  • FINS AND SWIM BLADDER
  • Fins increase stability (turn, dive, climb
    rapidly)
  • Swim bladder-regulate vertical position in
    water-gas sac

10
MOVEMENT/RESPONSE
  • ENDOSKELETON-internal skeleton-muscles attach
  • FINS AND SWIM BLADDER
  • Fins increase stability (turn, dive, climb
    rapidly)
  • Swim bladder-regulate vertical position in
    water-gas sac
  • SENSORY ORGANS
  • NOSTRILS-lead to OLFACTORY lobe

11
MOVEMENT/RESPONSE
  • ENDOSKELETON-internal skeleton-muscles attach
  • FINS AND SWIM BLADDER
  • Fins increase stability (turn, dive, climb
    rapidly)
  • Swim bladder-regulate vertical position in
    water-gas sac
  • SENSORY ORGANS
  • NOSTRILS-lead to OLFACTORY lobe
  • EYES-lead to OPTIC lobe

12
MOVEMENT/RESPONSE
  • ENDOSKELETON-internal skeleton-muscles attach
  • FINS AND SWIM BLADDER
  • Fins increase stability (turn, dive, climb
    rapidly)
  • Swim bladder-regulate vertical position in
    water-gas sac
  • SENSORY ORGANS
  • NOSTRILS-lead to OLFACTORY lobe
  • EYES-lead to OPTIC lobe
  • TASTE-tongue, skin

13
MOVEMENT/RESPONSE
  • ENDOSKELETON-internal skeleton-muscles attach
  • FINS AND SWIM BLADDER
  • Fins increase stability (turn, dive, climb
    rapidly)
  • Swim bladder-regulate vertical position in
    water-gas sac
  • SENSORY ORGANS
  • NOSTRILS-lead to OLFACTORY lobe
  • EYES-lead to OPTIC lobe
  • TASTE-tongue, skin
  • EARS-AUDITORY nerve

14
MOVEMENT/RESPONSE
  • ENDOSKELETON-internal skeleton-muscles attach
  • FINS AND SWIM BLADDER
  • Fins increase stability (turn, dive, climb
    rapidly)
  • Swim bladder-regulate vertical position in
    water-gas sac
  • SENSORY ORGANS
  • NOSTRILS-lead to OLFACTORY lobe
  • EYES-lead to OPTIC lobe
  • TASTE-tongue, skin
  • EARS-AUDITORY nerve
  • LATERAL LINE-senses vibrations in water

15
RESPIRATION/CIRCULATION
  • Get oxygen from water (GILLS)

16
RESPIRATION/CIRCULATION
  • Get oxygen from water (GILLS)
  • OPERCULUM-gill cover

17
RESPIRATION/CIRCULATION
  • Get oxygen from water (GILLS)
  • OPERCULUM-gill cover
  • COUNTERCURRENT FLOW-

18
RESPIRATION/CIRCULATION
  • Get oxygen from water (GILLS)
  • OPERCULUM-gill cover
  • COUNTERCURRENT FLOW-
  • Water passes over gills in one direction, blood
    flows opposite direction (85 of dissolved O2
    passes over gills)

19
RESPIRATION/CIRCULATION
  • Get oxygen from water (GILLS)
  • OPERCULUM-gill cover
  • COUNTERCURRENT FLOW-
  • Water passes over gills in one direction, blood
    flows opposite direction (85 of dissolved O2
    passes over gills)
  • SINGLE LOOP BLOOD CIRCULATION

20
RESPIRATION/CIRCULATION
  • Get oxygen from water (GILLS)
  • OPERCULUM-gill cover
  • COUNTERCURRENT FLOW-
  • Water passes over gills in one direction, blood
    flows opposite direction (85 of dissolved O2
    passes over gills)
  • SINGLE LOOP BLOOD CIRCULATION
  • Blood-gtgills-gtheart (atrium then
    ventricle)-gtpumped body-gtgills

21
EXCRETION
  • Most vertebrates conserve water (2/3 of body is
    water)

22
EXCRETION
  • Most vertebrates conserve water (2/3 of body is
    water)
  • SALT/WATER BALANCE-

23
EXCRETION
  • Most vertebrates conserve water (2/3 of body is
    water)
  • SALT/WATER BALANCE-
  • Sea water 3X salt of fish tissue

24
EXCRETION
  • Most vertebrates conserve water (2/3 of body is
    water)
  • SALT/WATER BALANCE-
  • Sea water 3X salt of fish tissue
  • Excess salt pumped out through gills

25
EXCRETION
  • Most vertebrates conserve water (2/3 of body is
    water)
  • SALT/WATER BALANCE-
  • Sea water 3X salt of fish tissue
  • Excess salt pumped out through gills
  • FRESH water fish have more salt in TISSUES than
    water-take in salt from environment

26
EXCRETION
  • Most vertebrates conserve water (2/3 of body is
    water)
  • SALT/WATER BALANCE-
  • Sea water 3X salt of fish tissue
  • Excess salt pumped out through gills
  • FRESH water fish have more salt in TISSUES than
    water-take in salt from environment
  • Few fish can live in fresh AND salt water

27
EXCRETION
  • Most vertebrates conserve water (2/3 of body is
    water)
  • SALT/WATER BALANCE-
  • Sea water 3X salt of fish tissue
  • Excess salt pumped out through gills
  • FRESH water fish have more salt in TISSUES than
    water-take in salt from environment
  • Few fish can live in fresh AND salt water
  • KIDNEYS-

28
EXCRETION
  • Most vertebrates conserve water (2/3 of body is
    water)
  • SALT/WATER BALANCE-
  • Sea water 3X salt of fish tissue
  • Excess salt pumped out through gills
  • FRESH water fish have more salt in TISSUES than
    water-take in salt from environment
  • Few fish can live in fresh AND salt water
  • KIDNEYS-
  • Maintain salt and water balance

29
EXCRETION
  • Most vertebrates conserve water (2/3 of body is
    water)
  • SALT/WATER BALANCE-
  • Sea water 3X salt of fish tissue
  • Excess salt pumped out through gills
  • FRESH water fish have more salt in TISSUES than
    water-take in salt from environment
  • Few fish can live in fresh AND salt water
  • KIDNEYS-
  • Maintain salt and water balance
  • Removes wastes from blood
  • Excess water leave in form of urine

30
REPRODUCTION
  • Most reproduce sexually and externally SPAWNING

31
REPRODUCTION
  • Most reproduce sexually and externally SPAWNING
  • Usually spawn in large groups (schools)

32
REPRODUCTION
  • Most reproduce sexually and externally SPAWNING
  • Usually spawn in large groups (schools)
  • INTERNAL fertilization in skates, sharks, and
    rays.

33
REPRODUCTION
  • Most reproduce sexually and externally SPAWNING
  • Usually spawn in large groups (schools)
  • INTERNAL fertilization in skates, sharks, and
    rays.
  • CLASPERS-male organ used to grasp female

34
REPRODUCTION
  • Most reproduce sexually and externally SPAWNING
  • Usually spawn in large groups (schools)
  • INTERNAL fertilization in skates, sharks, and
    rays.
  • CLASPERS-male organ used to grasp female
  • Eggs develop inside, born live

35
GROUPS OF FISH
  • 3 main groups

36
GROUPS OF FISH
  • 3 main groups
  • Jawless fish

37
GROUPS OF FISH
  • 3 main groups
  • Jawless fish
  • Cartilagenous fish

38
GROUPS OF FISH
  • 3 main groups
  • Jawless fish
  • Cartilagenous fish
  • Bony fish

39
GROUPS OF FISH
  • 3 main groups
  • Jawless fish
  • Cartilagenous fish
  • Bony fish
  • JAWLESS (AGNATHA)
  • Skeletons of CARTILAGE

40
GROUPS OF FISH
  • 3 main groups
  • Jawless fish
  • Cartilagenous fish
  • Bony fish
  • JAWLESS (AGNATHA)
  • Skeletons of CARTILAGE
  • Keep NOTOCHORD into adulthood (no spinal
    cord/spine)

41
GROUPS OF FISH
  • 3 main groups
  • Jawless fish
  • Cartilagenous fish
  • Bony fish
  • JAWLESS (AGNATHA)
  • Skeletons of CARTILAGE
  • Keep NOTOCHORD into adulthood (no spinal
    cord/spine)
  • HAGFISH-scavengers/predators- deep in ocean,
    create slime/tie into knots

42
GROUPS OF FISH
  • 3 main groups
  • Jawless fish
  • Cartilagenous fish
  • Bony fish
  • JAWLESS (AGNATHA)
  • Skeletons of CARTILAGE
  • Keep NOTOCHORD into adulthood (no spinal
    cord/spine)
  • HAGFISH-scavengers/predators- deep in ocean,
    create slime/tie into knots
  • LAMPREY-parasites, suction mouth

43
GROUPS OF FISH
  • CARTILAGINOUS FISH

44
NURSE SHARK (notice gill slits)
45
GROUPS OF FISH
  • CARTILAGINOUS FISH
  • paired fins and jaws

46
GROUPS OF FISH
  • CARTILAGINOUS FISH
  • paired fins and jaws
  • Skeletons of CARTILAGE

47
GROUPS OF FISH
  • CARTILAGINOUS FISH
  • paired fins and jaws
  • Skeletons of CARTILAGE
  • Cartilage strengthened by calcium carbonate

48
GROUPS OF FISH
  • CARTILAGINOUS FISH
  • paired fins and jaws
  • Skeletons of CARTILAGE
  • Cartilage strengthened by calcium carbonate
  • SHARKS-
  • STREAMLINED-move through water fast

49
GROUPS OF FISH
  • CARTILAGINOUS FISH
  • paired fins and jaws
  • Skeletons of CARTILAGE
  • Cartilage strengthened by calcium carbonate
  • SHARKS-
  • STREAMLINED-move through water fast
  • TRIANGLE shaped scales (PLACOID SCALES)

50
GROUPS OF FISH
  • CARTILAGINOUS FISH
  • paired fins and jaws
  • Skeletons of CARTILAGE
  • Cartilage strengthened by calcium carbonate
  • SHARKS-
  • STREAMLINED-move through water fast
  • TRIANGLE shaped scales (PLACOID SCALES)
  • TEETH are modified scales (6-10 ROWS, 20,000 in
    life time)

51
GROUPS OF FISH
  • CARTILAGINOUS FISH
  • paired fins and jaws
  • Skeletons of CARTILAGE
  • Cartilage strengthened by calcium carbonate
  • SHARKS-
  • STREAMLINED-move through water fast
  • TRIANGLE shaped scales (PLACOID SCALES)
  • TEETH are modified scales (6-10 ROWS, 20,000 in
    life time)
  • Largest sharks (whale shark) eat PLANKTON, most
    others are predators

52
GROUPS OF FISH
  • CARTILAGENOUS CONTINUED

53
GROUPS OF FISH
  • CARTILAGENOUS CONTINUED
  • SKATES/RAYS

54
GROUPS OF FISH
  • CARTILAGENOUS CONTINUED
  • SKATES/RAYS
  • Flat bodies

55
(No Transcript)
56
DIAMOND STINGRAY
57
BIG SKATE
58
MANTA RAY
59
GROUPS OF FISH
  • CARTILAGENOUS CONTINUED
  • SKATES/RAYS
  • Flat bodies
  • Life on sea floor

60
GROUPS OF FISH
  • CARTILAGENOUS CONTINUED
  • SKATES/RAYS
  • Flat bodies
  • Life on sea floor
  • Giant manta ray7m wide (most others smaller)

61
GROUPS OF FISH
  • CARTILAGENOUS CONTINUED
  • SKATES/RAYS
  • Flat bodies
  • Life on sea floor
  • Giant manta ray7m wide (most others smaller)
  • Some discharge electrical charge

62
GROUPS OF FISH
  • CARTILAGENOUS CONTINUED
  • SKATES/RAYS
  • Flat bodies
  • Life on sea floor
  • Giant manta ray7m wide (most others smaller)
  • Some discharge electrical charge
  • BONY FISH

63
GROUPS OF FISH
  • CARTILAGENOUS CONTINUED
  • SKATES/RAYS
  • Flat bodies
  • Life on sea floor
  • Giant manta ray7m wide (most others smaller)
  • Some discharge electrical charge
  • BONY FISH
  • 24,000 species of bony fish ( 1,000 if cartilage
    and jawless COMBINED)

64
GROUPS OF FISH
  • CARTILAGENOUS CONTINUED
  • SKATES/RAYS
  • Flat bodies
  • Life on sea floor
  • Giant manta ray7m wide (most others smaller)
  • Some discharge electrical charge
  • BONY FISH
  • 24,000 species of bony fish ( 1,000 if cartilage
    and jawless COMBINED)
  • One of most successful vertebrates

65
GROUPS OF FISH
  • CARTILAGENOUS CONTINUED
  • SKATES/RAYS
  • Flat bodies
  • Life on sea floor
  • Giant manta ray7m wide (most others smaller)
  • Some discharge electrical charge
  • BONY FISH
  • 24,000 species of bony fish ( 1,000 if cartilage
    and jawless COMBINED)
  • One of most successful vertebrates
  • Bone endoskeleton

66
GROUPS OF FISH
  • CARTILAGENOUS CONTINUED
  • SKATES/RAYS
  • Flat bodies
  • Life on sea floor
  • Giant manta ray7m wide (most others smaller)
  • Some discharge electrical charge
  • BONY FISH
  • 24,000 species of bony fish ( 1,000 if cartilage
    and jawless COMBINED)
  • One of most successful vertebrates
  • Bone endoskeleton
  • RAY-FINNED FISH

67
GROUPS OF FISH
  • CARTILAGENOUS CONTINUED
  • SKATES/RAYS
  • Flat bodies
  • Life on sea floor
  • Giant manta ray7m wide (most others smaller)
  • Some discharge electrical charge
  • BONY FISH
  • 24,000 species of bony fish ( 1,000 if cartilage
    and jawless COMBINED)
  • One of most successful vertebrates
  • Bone endoskeleton
  • RAY-FINNED FISH
  • Fins supported by rays (TELEOSTS

68
GROUPS OF FISH
  • CARTILAGENOUS CONTINUED
  • SKATES/RAYS
  • Flat bodies
  • Life on sea floor
  • Giant manta ray7m wide (most others smaller)
  • Some discharge electrical charge
  • BONY FISH
  • 24,000 species of bony fish ( 1,000 if cartilage
    and jawless COMBINED)
  • One of most successful vertebrates
  • Bone endoskeleton
  • RAY-FINNED FISH
  • Fins supported by rays (TELEOSTS
  • 96 of fish

69
GROUPS OF FISH
  • CARTILAGENOUS CONTINUED
  • SKATES/RAYS
  • Flat bodies
  • Life on sea floor
  • Giant manta ray7m wide (most others smaller)
  • Some discharge electrical charge
  • BONY FISH
  • 24,000 species of bony fish ( 1,000 if cartilage
    and jawless COMBINED)
  • One of most successful vertebrates
  • Bone endoskeleton
  • RAY-FINNED FISH
  • Fins supported by rays (TELEOSTS
  • 96 of fish
  • LOBE-FINNED FISH
  • COELOCANTH (PG. 738)

70
COELACANTH
71
GROUPS OF FISH
  • CARTILAGENOUS CONTINUED
  • SKATES/RAYS
  • Flat bodies
  • Life on sea floor
  • Giant manta ray7m wide (most others smaller)
  • Some discharge electrical charge
  • BONY FISH
  • 24,000 species of bony fish ( 1,000 if cartilage
    and jawless COMBINED)
  • One of most successful vertebrates
  • Bone endoskeleton
  • RAY-FINNED FISH
  • Fins supported by rays (TELEOSTS
  • 96 of fish
  • LOBE-FINNED FISH
  • COELOCANTH (PG. 738)
  • Fleshy fins

72
GROUPS OF FISH
  • CARTILAGENOUS CONTINUED
  • SKATES/RAYS
  • Flat bodies
  • Life on sea floor
  • Giant manta ray7m wide (most others smaller)
  • Some discharge electrical charge
  • BONY FISH
  • 24,000 species of bony fish ( 1,000 if cartilage
    and jawless COMBINED)
  • One of most successful vertebrates
  • Bone endoskeleton
  • RAY-FINNED FISH
  • Fins supported by rays (TELEOSTS
  • 96 of fish
  • LOBE-FINNED FISH
  • COELOCANTH (PG. 738)
  • Fleshy fins
  • Direct ancestors of amphibians and land
    vertebrates
  • LUNG FISH

73
LUNGFISH
74
LUNGFISH
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