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Zoo 201 > Annelida > Flashcards

Annelida Flashcards

1
Q

Which classes belong to the phylum Annelida?

A

Oligochaeta, Polychaeta and Hirudinea

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2
Q

Which genus belongs to the Class Oligochaeta?

A

Lumbricus

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3
Q

What genus belongs to the Class Polychaeta?

A

Nereis

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4
Q

What genus belongs to the Class Hirudinea?

A

Hirudo

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5
Q

Another name for the Oligochaeta are

A

earthworms

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6
Q

Another name for the Polychaeta are

A

the polychaetes

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7
Q

Another name for the Hirudinea are

A

leeches

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8
Q

Pertaining to body cavities, Annelida members are

A

eucoelomates, meaning they have a fluid-filled body cavity

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9
Q

Annelida members have ______ digestive tracts

A

complete

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10
Q

Annelida members are characterized by their

A

segmented or metameric bodies that are divided into metameres

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11
Q

Earthworms are di or monoecious?

A

monoecious

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12
Q

Earthworms move by

A

peristalsis. contracting and relaxing muscles, causing them to move in a wave

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13
Q

polychaetes are di or monoecious?

A

dioecious

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14
Q

Do polychaetes have chaetae?

A

yes

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15
Q

DO earthworms have chaetae?

A

few on their ventral side

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16
Q

What does each segment on polychaetes have?

A

paired parapodia

17
Q

Leeches are di or monoecious?

A

monoecious

18
Q

Though most are ectoparasites, some leeches are

A

free-living predators

19
Q

Do leeches have chaetae?

A

no

20
Q

Leeches have ___ suckers.

A

2

21
Q

Which structures are found on Nereis but not on Lubricus?

A

parapodia, esophageal caecum, and prostomium

22
Q

Pictured is?

Name the numbered structures.

A

Lumbricus

  1. esophageal caecum
  2. nephridia
  3. pharynx
  4. esophagus
  5. septa
23
Q

Pictured is?

What two functions does it serve?

A

Parapodia of Nereis

locomotion and gills

24
Q

These are examples of

A

leeches

25
Q

Pictured is…

Name the numbered structures

A

the earthworm, Lumbricus

  1. pharynx
  2. hearts
  3. esophagus
  4. gizzard (crop is located right before)
  5. intestine
26
Q

Name the numbered structures.

A
  1. Pygidium
  2. Prostomium
  3. segments or metameres
  4. clitellum
27
Q

Name the numbered structures.

A
  1. Palpi
  2. Prostromium
  3. Peristomial cirri
  4. Peristome
  5. Parapodia
  6. Setae
  7. Mouth
  8. Everted pharynx

Zoo 201 (5 decks)

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