Phylum Nematoda Flashcards
Nematodes are also called what
Aschelmithes
Nematodes are unsegmeted worms. True or false
True
Nematodes have a complete digestive system. True or false
True
They are billaterally symmetrical true or false
True
What differentiate the classes of nematodes
Plasmid(sensory structure)
Classes of nematodes are?
1.Sercernate or plasmida eg round worm
2. Adenophora or Aphasmida eg whipworm (churistrichuta)
The scientific name of round worm is what
Ascaris Lumboriocoides
The scientific name of round worm is what
Ascaris Lumboriocoides
Nematodes excrete with the aid of what
Renetta gland
Are Nematodes Monoecious? (Sexes are separate)
Yes
What is the outer covering of the nematodes called
Cuticle
Blood fluke causes what diseases (schistosoma spp)
Schistosomiasis
What is the meaning of Diecious
Sexes are the same
Male Nematodes are smaller than the female with a coiled tail. True or false
True
Nematodes go through what kind of respiration
Anaerobic
Nematodes are protostomia (mouth develops before the anus)
True
Nematodes have an incomplete metamorphosis true or false
True
Phylum nematoda exhibit sexual dimorphism, the males being
smaller than the females true or false
True
What is the olfactory chemoreceptors of the Nematodes called
Amphids
Pseudocoels have fibrous tissue and fixed cells called
Coelomcytes
What is the work of the pseudocoelomic fluid in nematodes
Distribution of digested fluids
The body cavity of the Nematodes is called what
Pseudocoel
What form of symmetry do the Nematodes exhibit
Bilateral symmetry
And are tripoloblastic
How do the Nematodes move
Muscular contraction
Nematodes excrete through what
Bodywalls (anal pore)
Phylum Nematoda are cosmopolitan because
They are free living and everywhere
What is the mode of nutrition of the Phylum Nematoda
Holozoic nutrition
Do the Nematodes have a respiratory system?
No
What form of respiration do they have
Anaerobic
Are Nematodes Monoecious or Dieocious
Dieocious
Nematodes can be Oviparous or Ovoviviparous ?
True
Reproduction without fertilization of gametes is called what
Parthenogenesis
