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Experience Biology > Lesson 20 Lecture notes > Flashcards

Lesson 20 Lecture notes Flashcards

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1
Q

Flukes are

  1. Platyhelminthes
  2. Nematoda
  3. Annelida
A
  1. Platyhelminthes
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2
Q

Flukes are

  1. Free living
  2. parasitic, requiring two hosts
  3. parasitic, requiring one host
A
  1. parasitic, requiring 2 hosts
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3
Q

Flukes have

  1. a simple digestive system, one opening
  2. a simple digestive system, two openings
A
  1. a simple digestive system, one opening
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4
Q

Flukes have what sort of nervous system?

A

Simple, ganglion with two nerve cords

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5
Q

Flukes have what sort of circulatory system?

A

none

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6
Q

How many hosts do flukes need?

A

two

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7
Q

Flatworms are

  1. Platyhelminthes
  2. Nematoda
  3. Annelida
A
  1. Platyhelminthes
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8
Q

Flatworms are

  1. Free living
  2. parasitic, requiring two hosts
  3. parasitic, requiring one host
A
  1. parasitic, requiring two hosts
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9
Q

Flatworms have

  1. a simple digestive system, one opening
  2. a simple digestive system, two openings
A

no digestive system- they absorb nutrients from their host

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10
Q

Flatworms have what sort of nervous system?

A

Simple, ganglion with two nerve cords

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11
Q

Flatworms have what sort of circulatory system?

A

none

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12
Q

How many hosts do flatworms need?

A

two

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13
Q

Planarians are

  1. Platyhelminthes
  2. Nematoda
  3. Annelida
A
  1. Platyhelminthes
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14
Q

Planarians are

  1. Free living
  2. parasitic, requiring two hosts
  3. parasitic, requiring one host
A
  1. Free living
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15
Q

Planarians have

  1. a simple digestive system, one opening
  2. a simple digestive system, two openings
A
  1. a simple digestive system, one opening
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16
Q

Planarians have what sort of nervous system?

A

Simple, ganglion with two nerve cords

17
Q

Planarians have what sort of circulatory system?

A

none

18
Q

What do planarians have that Flukes and Flatworms don’t have?

A

eyespots

19
Q

Annelida have smooth skin because —–

A

gas exchange- breathing

20
Q

Segmented worms have a small

A

brain

21
Q

Nematoda and Annelida look like

A

a tube within a tube (Annelida have rings)

22
Q

Both Nematoda and Annelida reproduce —–

A

sexually, though Annelida are hermaphroditic

Experience Biology (62 decks)

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