Zoology 2, Lesson 6

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Author:
ethanjenn
ID:
238185
Filename:
Zoology 2, Lesson 6
Updated:
2014-02-19 14:17:20
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Zoology Lesson Apologia Fish
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Zoology 2 Swimming Creatures
Description:
marine zoology lesson 6 fish apologia science swimming creatures
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  1. A group of fish of the same species shoulg be called what?
    fish
  2. A group of fish with more than one species would be called what?
    fishes
  3. What are three main kinds of fishes?
    • bony fishes
    • cartilaginous fishes
    • jawless fishes
  4. What type of fish are there the most of?

    Bony, cartilaginous or jawless
    bony
  5. What makes a fish a fish?
    gills for breathing and fins for swimming
  6. What does the term ectothermic mean?
    cold blooded
  7. Do fish move faster in cold water or warm water?
    they move faster in the warm water
  8. Why do fish prefer cooler water?
    cooler water has more oxygen and that makes it easier for the fish to breath.
  9. What is the Greek word for fish?
    ichthus
  10. What is the class for bony fish called?
    Osteleichthyes
  11. What is the Greek word for bone?
    Osteon
  12. What does the fish have on its scales to protect it from parasites?
    a thin coat of slime
  13. Why should you not pick up a fish?
    You can wipe of the protective slime on its scales
  14. Why do many fish die after fisherman put them back in the water>?
    The fisherman rub off the protective slime by accident and the fish get attacked by parasites
  15. As fish scales grow they form rings. What are these rings called?
    circuli
  16. How can you tell how old a fish is?
    by counting the circuli on its scales
  17. What are some different mouth types that fish can have?
    bottom-feeders' mouths angle down, fish in coral reefs have long snouts with small mouths, some fish have mouths that angle up, some have teeth
  18. Where are the fish gills?
    near the head on either side if the body.
  19. What is the flap called that go over the gills and open and close every time the fish breathes?
    operculum
  20. How does a fish breath?
    when a fish breaths its mouth and operculum open and close at the same time. Water goes in the mouth, passes over the blood vessel in the gills and oxygen is absorbed into the blood vessels. Carbon dioxide goes back into the water passing over the gills and exits through the operculum.
  21. when you breath in oxygen, what do you breath out?
    carbon dioxide
  22. How does a fish swim?
    They move their tails side to side to move through the water and steer with their fins.
  23. BE ABLE TO LABEL THE FOLLOWING ON A FISH: pectoral fin, pelvic fin, anal fin, caudal fin and dorsal fin

  24. What are the only two fins that are a pair on the fishes body?
    pelvic fin and pectoral fin
  25. What are the pectoral and pelvic fins attached to on a fish?
    its muscles inside the body
  26. What fins steer the fish?
    pectoral fin and pelvic fin
  27. What fins give the fish balance and keep it from rolling side to side and falling over while swimming?
    dorsal fin and anal fin
  28. What fin is a weapon for the fish and how?
    dorsal fin; they have sharp spines and sometimes venom
  29. What is the name of the fin that is the tail of the fish and what is this fin used for?
    caudal fin; used to thrust the fish forward in the water by moving side to side.
  30. What determines how fast a fish can swim?
    the shape of the caudal fin
  31. What do the caudal fins of fast swimmers look like?
    forked and thin like knives
  32. What do the caudal fins of slower swimmers look like?
    they are rounded and thick
  33. What are common fish shapes? Describe each shape and name one example of a fish of each shape.
    fusiform = bullet shaped - sharks, marlins swordfish, tuna

    eel-like = long ribbon shape - eel

    depressed =eyes on one side of body or on top - flounders, rays

    compressed = flat bodies with one eye on each side - angelfish, butterfly fish, surgeonfish
  34. What shape is this fish?

    compressed
  35. What shape is this fish?

    eel shaped
  36. What shape is this fish?

    depressed shape
  37. What shape is this fish?

    fusiform
  38. Name some different fish defenses?
    • camouflage
    • counter-shading
    • advertising
    • swimming in schools
  39. What is camouflage?
    fish looks like the environment where it lives and is difficult to see.
  40. What is counter-shading?
    the body is light on the bottom and darker on the top so that when predators look up at a fish above the light color of the fishes belly helps it to blend in with the light streaming down from the top of the water. The darker color on top of the fish helps it to blend in with the ocean floor
  41. What is advertising?
    it warns other fish of its spines or quills with bright colors and bold patterns to show off its defenses.
  42. What are large groups of fish swimming together called?
    schools
  43. How does swimming in schools keep fish safe?
    a big group of fish swimming close together can look like on giant fish from a distance. It is also harder to chase a school of fish because the fish move in different directions when attached.
  44. BOUNCING BUOYANCY START HERE

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