Annelida Flashcards

1
Q

Bloodworm

A

Tubifex

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2
Q

Lug worm

A

Arenicola

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3
Q

Smooth bloodworm

A

Glycera

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4
Q

Paddle worm

A

Chaetopterus

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5
Q

Sea mouse

A

Aphrodite

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6
Q

Clam worm, Rag worm, Sand worm

A

Nereis

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7
Q

English Earthworm

A

Lumbricus

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8
Q

Freshwater worm

A

Aelosoma

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9
Q

Southindian earthworm

A

Megascolex

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10
Q

Common earthworm

A

Pheretima

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11
Q

Medicinal leech

A

Hirudo

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12
Q

Cattle leach

A

Hirudinaria

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13
Q

Skate sucker

A

Pontobdella

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14
Q

Fixed number of segments

A

Hirudinea (33)

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15
Q

Coelom in annelida

A

Generally schizocoelomate/eucoelomate.

# In leech, haemocoelomate.

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16
Q

Digestion in annelida

A

Completely intracellular with complete alimentary canal

17
Q

Circulatory system in annelida

A

Closed

# Amoebocytic blood corpuscles
# Neurogenic heart

18
Q

Haemoglobin in annelida

A

Dissolved in plasma (Sometimes as erythrocruorin)

19
Q

Function of parapodia in polychaeta

A

Gaseous exchange

20
Q

Excretory organ in annelida

A

Nephridia

21
Q

Temporary clitellum in

A

Leech

22
Q

Fertilization in aquatic annelids

A

External without cocoon (Clitellum is absent)

23
Q

Larva of annelida

A

Trochophore (Only in polychaeta)

24
Q

Bristle worms

A

Polychaeta

25
Q

Locomotion in annelids

A
  1. Polychaeta: parapodia
  2. Oligochaeta: setae
  3. Hirudinea: suckers
  4. Archinnelida: absent
26
Q

Sexes in annelida

A

Polychaeta: Separate
Oligochaeta and Hirudinea: Hermaphrodite

27
Q

Scale worm

A

Polynoe