12 - Platyhelminths Flashcards Preview

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Flashcards in 12 - Platyhelminths Deck (17):
1

(Helminths)

1. platyhelminths = ?

2. nemathelminthes = ?

1. flatworms

2. roundworms

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2

(Platyhelminthes)

1. tubellaria = ?

1. eddy worms

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3

(Platyhelminthes)

1. flukes = ?

2. tapeworms = ?

1. trematodes

2. cestodes

4

(Platyhelminths)

1. bilaterally symetircally>

2. flattened how?

3. anterior end has what?

2. dorsoventrally

3. sensory and motor nerve elements

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5

(Platyhelminths)

1. have a body cavity (coelem)?

2. 

1. no

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6

(Platyhelminths)

1. Tegument = ?

2. gut is what?

undigested waste eliminated how?

3. respiration?

4.  

1. surface (absorbs a lot of stuff cause tapeworms have no gut)

2. blind sace (trematodes) or absent (cestodes)

highly branched

via mouth

3. through tegament

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7

(Platyhelminths)

(nervous system)

1. is what?

(reproduction)

1. are what?

2. can do what?

1. bilateral - many sensory elements

1. hermaphrodites

2. self and cross fertilize

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8

don't learn these

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9

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10

sounds like we will be going over this again

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feck...

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11

(Trematodes or Flukes)

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12

what kind of sucker most common?

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distomes

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13

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14

(Trematode Physiology)

(reproduction)

1. most adult flukes are hermaphroditic - except what?

2. sexual reproduction occurs where?

3. do they require intermediate hosts?

4. what occurs in intermediate host?

1. schistosomes

2. definitive host (vertebrae)

3. yes - one or more (intervertebtrates - 1st snail or slug)

4. asexual reporduction

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15

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16

(Flukes - life history)

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17

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