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Bio 102 > Phylum Nematoda > Flashcards

Phylum Nematoda Flashcards

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Biology 101 flashcards
1
Q

Nematodes are also called what

A

Aschelmithes

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2
Q

Nematodes are unsegmeted worms. True or false

A

True

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3
Q

Nematodes have a complete digestive system. True or false

A

True

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4
Q

They are billaterally symmetrical true or false

A

True

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5
Q

What differentiate the classes of nematodes

A

Plasmid(sensory structure)

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6
Q

Classes of nematodes are?

A

1.Sercernate or plasmida eg round worm
2. Adenophora or Aphasmida eg whipworm (churistrichuta)

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7
Q

The scientific name of round worm is what

A

Ascaris Lumboriocoides

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8
Q

The scientific name of round worm is what

A

Ascaris Lumboriocoides

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9
Q

Nematodes excrete with the aid of what

A

Renetta gland

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10
Q

Are Nematodes Monoecious? (Sexes are separate)

A

Yes

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11
Q

What is the outer covering of the nematodes called

A

Cuticle

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12
Q

Blood fluke causes what diseases (schistosoma spp)

A

Schistosomiasis

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13
Q

What is the meaning of Diecious

A

Sexes are the same

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14
Q

Male Nematodes are smaller than the female with a coiled tail. True or false

A

True

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15
Q

Nematodes go through what kind of respiration

A

Anaerobic

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16
Q

Nematodes are protostomia (mouth develops before the anus)

A

True

17
Q

Nematodes have an incomplete metamorphosis true or false

A

True

18
Q

Phylum nematoda exhibit sexual dimorphism, the males being
smaller than the females true or false

A

True

19
Q

What is the olfactory chemoreceptors of the Nematodes called

A

Amphids

20
Q

Pseudocoels have fibrous tissue and fixed cells called

A

Coelomcytes

21
Q

What is the work of the pseudocoelomic fluid in nematodes

A

Distribution of digested fluids

22
Q

The body cavity of the Nematodes is called what

A

Pseudocoel

23
Q

What form of symmetry do the Nematodes exhibit

A

Bilateral symmetry
And are tripoloblastic

24
Q

How do the Nematodes move

A

Muscular contraction

25
Q

Nematodes excrete through what

A

Bodywalls (anal pore)

26
Q

Phylum Nematoda are cosmopolitan because

A

They are free living and everywhere

27
Q

What is the mode of nutrition of the Phylum Nematoda

A

Holozoic nutrition

28
Q

Do the Nematodes have a respiratory system?

A

No

29
Q

What form of respiration do they have

A

Anaerobic

30
Q

Are Nematodes Monoecious or Dieocious

A

Dieocious

31
Q

Nematodes can be Oviparous or Ovoviviparous ?

A

True

32
Q

Reproduction without fertilization of gametes is called what

A

Parthenogenesis

Bio 102 (10 decks)

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