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Nematoda
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Published on Nov 18, 2015
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1.
NEMATODA
KORI-DAWN MCCOY
Photo by
Wanderlinse
2.
ABOUT NEMATODAS
More than 15,000 known species of roundworms
Nematodes were once classified with a very large and heterogeneous cluster of animals
Kingdom - Animalia, Phylum - Nematodas
Human beings, along with all other living things are host to numerous
Nematode parasite
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prep4md
3.
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4.
CHARACTERISTICS OF NEMATODA
Body covered in a complex cuticle
Has no circulatory system (no blood system)
Reproduction normally sexual
Feed on just about everything
Live just about everywhere
Photo by
contradictory1
5.
Untitled Slide
Photo by
prep4md
6.
REPRODUCTION
Most species of roundworms are dioecious, meaning that there are separate sexes of worms
Fertilization is initiated by males use a spine
Which open the females reproductive tract and deposit their sperm in them
Roundworms sperm do not have flagella
7.
Untitled Slide
8.
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9.
FUN FACTS
there are 90,000 known species of Nematodes
Nematoda comes from the Greek word Nema meaning thread and Edios
Among nematodes are the typcial garden earthworm
The Nematodes infecting mankind include several species of filarial worms
They are very small creatures; some are less than one millimeter in length
10.
What is a good classification of Nematoda?
A.)flat worm
B.)parasites
C.)worms
D.) All the above
11.
WORK CITIED
http://www.earthlife.net/inverts/nematoda.html
http://sharon-taxonomy2009-p2.wikispaces.com/Nematoda
Photo by
Lel4nd
Mary Martin
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